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Displaying records 141 to 146 (of 146)
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Patent #:	128285 Read More
Inventor:	Walker, Robert B.
Invention:	Cattle Guard
Location:	Strathcona
Date:	20/09/10
Category:	Rail Transportation Accessory

Patent #:	142355 Read More
Inventor:	Walker, Robert B.
Invention:	Cattle Guard
Location:	Strathcona
Date:	13/08/12
Category:	Rail Transportation Accessory

Patent #:	293726 Read More
Inventor:	Wigney, James
Invention:	Two Way Grease Feed for Hangers of Railroad Brakes
Location:	Calgary
Date:	08/10/29
Category:	Rail Transportation Accessory

Patent #:	260073 Read More
Inventor:	Willard, William G.
Invention:	Grain Door
Location:	Wainwright
Date:	27/04/26
Category:	Rail Transportation Accessory

Patent #:	188086 Read More
Inventor:	Winter, Peter
Invention:	Spark Arrester
Location:	Wainwright
Date:	31/12/18
Category:	Rail Transportation Accessory

Patent #:	124373 Read More
Inventor:	Witwer, Harry Oliver
Invention:	Train Pipe Coupling
Location:	Lethbridge
Date:	08/03/10
Category:	Rail Transportation Accessory
Comments:	1909 Howard Case & Co., Henderson's Directory