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Patent #:	943884 Read More
Inventor:	Martin, Arthur P.
Invention:	Collapsible Suction-Wall Liner
Location:	Calgary
Date:	19/03/74
Category:	Water Transportation Accessory

Patent #:	178959 Read More
Inventor:	Palsen, Gudlaugur
Invention:	Ship Course Retainer
Location:	Edmonton
Date:	28/08/17
Category:	Water Transportation Accessory

Patent #:	447770 Read More
Inventor:	Peterson, Albert Harold
Invention:	Driving Device for Boats
Location:	Barnwell
Date:	13/04/48
Category:	Water Transportation Accessory

Patent #:	304358 Read More
Inventor:	Ramstad, Oscar Julius
Invention:	Oar Lock
Location:	Donalda
Date:	30/09/30
Category:	Water Transportation Accessory

Patent #:	264277 Read More
Inventor:	Rourke, D. Musgrave
Invention:	Oar Lock
Location:	Fort Chipewyan
Date:	14/09/26
Category:	Water Transportation Accessory

Patent #:	910650 Read More
Inventor:	Scott, Gordon R.
Invention:	Drilling Ship Mooring System
Location:	Calgary
Date:	26/09/72
Category:	Water Transportation Accessory

Patent #:	922116 Read More
Inventor:	Scott, Gordon R.
Invention:	Drilling Ship Mooring System
Location:	Calgary
Date:	06/03/73
Category:	Water Transportation Accessory

Patent #:	239523 Read More
Inventor:	Turnbull, William James
Invention:	Boat Propelling Device
Location:	Mannville
Date:	22/04/24
Category:	Water Transportation Accessory