| Patent #: | 216391
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| Inventor: | McCulloch, William |
| Invention: | Lockout Signalling Device for Electrical Circuits |
| Location: | Calgary |
| Date: | 07/03/22 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 470116
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| Inventor: | McGowan, George Leo |
| Invention: | Automatic Safety Light Switches |
| Location: | Evansburg |
| Date: | 19/12/50 |
| Category: | Electrical and Magnetic T&E; 2:Lighting Device |
| Comments: | see Foley Trail: A History of Entwistle, Evansburg and the Surrounding District; biograpical information; b. North Dakota, came to Alberta 1937; mechanic; sold Watkins products; cleared brush; mined |
| | |
| Patent #: | 423219
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| Inventor: | McGregor, Andrew |
| Invention: | Wire Transposition Tool |
| Location: | Edmonton |
| Date: | 17/10/44 |
| Category: | Metalworking T&E; Electrical and Magnetic T&E; |
| | |
| Patent #: | 505563
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| Inventor: | McKinnon, Walter A. |
| Invention: | Electrical Extension Cord Carrier |
| Location: | Red Deer |
| Date: | 07/09/54 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 276956
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| Inventor: | Miller, Alexander Duff |
| Invention: | Battery Terminal Connector |
| Location: | Calgary |
| Date: | 10/01/28 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 351133
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| Inventor: | Moody, Ralph C. |
| Invention: | Battery Clamp Tool |
| Location: | Calgary |
| Date: | 25/06/35 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 806818
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| Inventor: | Muirhead, John C. |
| Invention: | Piezoelectric Blast Pressure Transducer |
| Location: | Medicine Hat |
| Date: | 18/02/69 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 230389
Read More |  |
| Inventor: | Myers, James |
| Invention: | Machine for Dressing the Contact Surface of Commutators |
| Location: | Bowell |
| Date: | 17/04/23 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 943657
Read More |  |
| Inventor: | Neon Sales and Service Ltd. |
| Invention: | Method of Generating Luminescent Pattern |
| Location: | Calgary |
| Date: | 12/03/74 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 233475
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| Inventor: | Ness, Elling Edward |
| Invention: | Battery Terminal for Upright Posts |
| Location: | Wetaskiwin |
| Date: | 14/08/23 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 350229
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| Inventor: | Nieman, Edward P.M. |
| Invention: | Battery Watering Device |
| Location: | Three Hills |
| Date: | 14/05/35 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 711168
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| Inventor: | Northwest Industries Limited |
| Invention: | Wire Insulation Repair Encapsulation Method and Means |
| Location: | Edmonton |
| Date: | 08/06/65 |
| Category: | Electrical & Magnetic T&E; |
| Comments: | see above |
| | |
| Patent #: | 711340
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| Inventor: | Northwest Industries Limited |
| Invention: | Encapsulated Electrical Connector |
| Location: | Edmonton |
| Date: | 08/06/65 |
| Category: | Electrical & Magnetic T&E; |
| Comments: | see above |
| | |
| Patent #: | 711341
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| Inventor: | Northwest Industries Limited |
| Invention: | Fusional Environmental Proofed Electrical Connector |
| Location: | Edmonton |
| Date: | 08/06/65 |
| Category: | Electrical & Magnetic T&E; |
| Comments: | see above |
| | |
| Patent #: | 711349
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| Inventor: | Northwest Industries Limited |
| Invention: | Heating Element |
| Location: | Edmonton |
| Date: | 08/06/65 |
| Category: | Electrical & Magnetic T&E; |
| Comments: | see above |
| | |
| Patent #: | 293862
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| Inventor: | Owens, Arthur Graham, (assignor) |
| Invention: | Electric Accumulator |
| Location: | Golden, BC |
| Date: | 08/10/29 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 294047
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| Inventor: | Owens, Arthur Graham, (assignor) |
| Invention: | Electrode for Electric Accumulators |
| Location: | Golden, BC |
| Date: | 15/10/29 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 941104
Read More | |
| Inventor: | Ower, Donald T. |
| Invention: | Method and Apparatus for Resistivity Logging |
| Location: | Edmonton |
| Date: | 29/01/74 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 522794
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| Inventor: | Peterson, Thomas |
| Invention: | Battery Terminal |
| Location: | Calgary |
| Date: | 20/03/56 |
| Category: | Electrical & Magnetic T&E; |
| | |
| Patent #: | 706007
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| Inventor: | Phillips, Ernest G.J. |
| Invention: | Portable Switch for Electric Circuits |
| Location: | Duchess |
| Date: | 16/03/65 |
| Category: | Electrical & Magnetic T&E; |
| | |
Heritage Community Foundation Presentss
