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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
  

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