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Patent #:	184100 Read More
Inventor:	Clover, Guy H.
Invention:	Periscope
Location:	Cadogan
Date:	07/05/18
Category:	Optical T&E;
Comments:	see Prairie Echoes; biographical information

Patent #:	186382 Read More
Inventor:	McKay, Charles Henry
Invention:	Spectacle
Location:	Edmonton
Date:	03/09/18
Category:	Optical T&E;

Patent #:	551472 Read More
Inventor:	Millar, Gerald W.
Invention:	Dual Magnification Binoculars
Location:	Exshaw
Date:	14/01/58
Category:	Optical T&E;

Patent #:	262149 Read More
Inventor:	Wood, George Waters
Invention:	Light Ray Apparatus
Location:	Parkland
Date:	29/06/26
Category:	Optical T&E;
Comments:	see above