Patent #: | 159524
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Inventor: | Borzo, Karel |
Invention: | Motor Controller |
Location: | Calgary |
Date: | 15/12/14 |
Category: | Sound Communication Equipment |
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Patent #: | 530667
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Inventor: | Carlson, Carl V. |
Invention: | Volume Range Compression Amplifier Circuit |
Location: | Calgary |
Date: | 25/09/56 |
Category: | Sound Communication Equipment |
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Patent #: | 274327
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Inventor: | Davidson, Alexander Roy |
Invention: | Phonograph Record Rotating Mechanism |
Location: | Edmonton |
Date: | 04/10/27 |
Category: | Sound Communication Equipment |
Comments: | see Edmonton Journal, April 29, 1930; b Scotland; came to Canada age 17; 1882 came west as member of RNWMP; m Isabella Fraser; homesteaded in Calder after 1890 |
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Patent #: | 601734
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Inventor: | Graham, Robert |
Invention: | Continuous Recorder |
Location: | Bowness |
Date: | 12/07/60 |
Category: | Sound Communication Equipment |
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Patent #: | 623869
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Inventor: | Graham, Robert |
Invention: | Recording Devices |
Location: | Bowness |
Date: | 18/07/61 |
Category: | Sound Communication Equipment |
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Patent #: | 157013
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Inventor: | Harbeke, Louis N. |
Invention: | Gramophone Mechanism |
Location: | Macleod |
Date: | 21/07/14 |
Category: | Sound Communication Equipment |
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Patent #: | 689068
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Inventor: | Kostyk, Allen F. |
Invention: | Sound Producing Apparatus for Toys and the Like |
Location: | Edmonton |
Date: | 23/06/64 |
Category: | Sound Communication Equipment; 8: Toy |
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Patent #: | 288381
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Inventor: | Laing, George |
Invention: | Musical Instrument Device |
Location: | Calgary |
Date: | 02/04/29 |
Category: | Sound Communication Equipment |
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Patent #: | 198971
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Inventor: | Masse, Thomas J. |
Invention: | Indicator for Spring Motors |
Location: | Edmonton |
Date: | 06/04/20 |
Category: | Sound Communication Equipment |
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Patent #: | 531648
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Inventor: | Melnychuk, Nick G. |
Invention: | Audio Speed Warning Device |
Location: | Beverly |
Date: | 16/10/56 |
Category: | Sound Communication Equipment |
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Patent #: | 601734
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Inventor: | Precision Oilfield Services Ltd. |
Invention: | Continuous Recorder |
Location: | Edmonton |
Date: | 12/07/60 |
Category: | Sound Communication Equipment |
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Patent #: | 531648
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Inventor: | Randall, Lloyd W. |
Invention: | Audio Speed Warning Device |
Location: | Sedgewick |
Date: | 16/10/56 |
Category: | Sound Communication Equipment |
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Patent #: | 303779
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Inventor: | Stevens, Robert Herbert |
Invention: | Apparatus for the Filtration of Radio Wave Signals |
Location: | Edmonton |
Date: | 09/09/30 |
Category: | Sound Communication Equipment |
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Patent #: | 657870
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Inventor: | Watson, Richard |
Invention: | Telephone Dial Insert |
Location: | Calgary |
Date: | 19/02/63 |
Category: | Sound Communication Equipment |
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