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Patent #:	96600     Read More
Inventor:	Piper, Frank Elvin
Invention:	Brick Edging Machine
Location:	Red Deer
Date:	19/12/05
Category:	Construction T&E;
Comments:	b 1873 Ontario; homesteaded in Balmoral 1892; Piper brickyard, major industrial enterprise; 1898 Piper & Son hardware store; 1902 m Lily Jane Casselman; steam engineer; father retired 1910; Frank & E.R. Hill took over business; closed during WWI; photos P300(715); P318(737); P352(880); P229(578); P318(747); newspaper clippings RDA
Patent #:	586130     Read More
Inventor:	Poppitt, John B.
Invention:	Catch Basin Construction
Location:	Edmonton
Date:	03/11/59
Category:	Construction T&E;
Patent #:	259686     Read More
Inventor:	Prittie, Ralph Downey
Invention:	Wood Preserving Method
Location:	Calgary
Date:	06/04/26
Category:	Construction T&E;
Patent #:	373850     Read More
Inventor:	Rae, Annie Ellen Alberta Wallace (assignee)
Invention:	Land Leveller
Location:	Medicine Hat
Date:	17/05/38
Category:	Construction T&E;
Comments:	wife of James McKenzie Rae (below)
Patent #:	373850     Read More
Inventor:	Rae, James MacKenzie (assignor)
Invention:	Land Leveller
Location:	Medicine Hat
Date:	17/05/38
Category:	Construction T&E;
Comments:	see above
Patent #:	434539     Read More
Inventor:	Rae, James MacKenzie (co-inventor)
Invention:	Soil Moving Device
Location:	Medicine Hat
Date:	07/05/46
Category:	Construction T&E;
Comments:	see above
Patent #:	768550     Read More
Inventor:	Rayner, Allan F.
Invention:	Securing Device for Concrete Forms
Location:	Edmonton
Date:	03/10/67
Category:	Construction T&E;
Patent #:	462627     Read More
Inventor:	Renn, Reynold John
Invention:	Hydraulic Hoist for Dump Trucks
Location:	Calgary
Date:	24/01/50
Category:	Construction T&E;
Comments:	see above
Patent #:	489754     Read More
Inventor:	Rensaa, Egil M.
Invention:	Precast Column Attaching Means
Location:	Edmonton
Date:	20/01/53
Category:	Construction T&E;
Patent #:	157057     Read More
Inventor:	Robinson, Benjamin E.
Invention:	Lath Holder and Spacer
Location:	Calgary
Date:	21/07/14
Category:	Construction T&E;
Patent #:	531963     Read More
Inventor:	Robinson, George A. (assignee)
Invention:	Cable Overthrow Loader for Tractors
Location:	Calgary
Date:	16/10/56
Category:	Construction T&E;
Comments:	see above
Patent #:	158008     Read More
Inventor:	Rustad, Herman
Invention:	Ditch Digger
Location:	Edmonton
Date:	22/09/14
Category:	Construction T&E;
Patent #:	640789     Read More
Inventor:	Scott, Simon Frederick
Invention:	Cable Clamp and Suspension Unit
Location:	Medicine Hat
Date:	08/05/62
Category:	Construction T&E;
Patent #:	373850     Read More
Inventor:	Scott, Simon Frederick (co-inventor)
Invention:	Land Leveller
Location:	Medicine Hat
Date:	17/05/38
Category:	Construction T&E;
Patent #:	434539     Read More
Inventor:	Scott, Simon Frederick (co-inventor)
Invention:	Soil Moving Device
Location:	Medicine Hat
Date:	07/05/46
Category:	Construction T&E;
Patent #:	721588     Read More
Inventor:	Seppola, Asle
Invention:	Self Levelling Vehicle
Location:	Evansburg
Date:	16/11/65
Category:	Construction T&E;
Comments:	see 314,169 under Entwistle
Patent #:	605264     Read More
Inventor:	Shatto Construction Co. Ltd.
Invention:	Compaction Roller
Location:	Calgary
Date:	13/09/60
Category:	Construction T&E;
Patent #:	605264     Read More
Inventor:	Shatto, Meredith J.
Invention:	Compaction Roller
Location:	Calgary
Date:	13/09/60
Category:	Construction T&E;
Patent #:	598381     Read More
Inventor:	Shaw, Norman R.
Invention:	Method of Manufacture of Facing Material for Buildings and the Like
Location:	Calgary
Date:	24/05/60
Category:	Construction T&E;
Patent #:	624099     Read More
Inventor:	Sissons, Gordon H.
Invention:	Building Panel
Location:	Medicine Hat
Date:	18/07/61
Category:	Building Fragment; 4 Construction T&E;

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