5 Matching Results

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in subjects: "lens"  
Results: 1 - 5

Lens-Holder.

Description: Patent for a lens holder meant to provide a "simple, relatively inexpensive and efficient means" (line 10) of securing the lens in the headlamps of an automobile or similar lamp casing.
Date: April 13, 1920
Creator: Marshall, Stanley G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lens-Grinding Machine.

Description: Patent for a lens grinding machine that polishes any kind of lens via the means of a reciprocating motion in both the grinding tool and the lens holder.
Date: August 12, 1913
Creator: Rousseau, Almer A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lens Holder

Description: Patent for a lens holder. The design of this invention relates to holders for eyeglasses and spectacles. Illustration included.
Date: February 15, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lamp.

Description: Patent for improvements to headlight lamps used in locomotives, with illustrations.
Date: May 25, 1897
Creator: Pitts, William Wirt
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Signal.

Description: Patent for a signal to be placed on the fender of a motor vehicle to indicate to other drivers the intended direction the vehicle is going.
Date: July 20, 1920
Creator: Cochran, Carl T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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