3 Matching Results

Search Results

Results: 1 - 3

Pliers.

Description: Patent for pliers for use by opticians in assembling glasses.
Date: November 8, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Time-Controlled Operating Mechanism.

Description: Patent for improvements in automatic time-controlled operating mechanisms by using a combination of a spring-actuated rotary disk, a clock mechanism, and co-acting cams to automatically operating at predetermined times, electric switches and other devices, such as locking and unlocking doors of warehouses. Illustration is included.
Date: January 18, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen