2 Matching Results

Search Results

Hot-Air Mixer

Description: Patent for a device that will create hot air to be delivered to the manifold of gas-powered engines in motor vehicles when the operator pushes a plunger that will open an intake valve.
Date: March 9, 1920
Creator: Ingraham, Jerome H.
Partner: UNT Libraries Government Documents Department

Quick-Adjustable Wrench.

Description: Patent for a quick-adjustable wrench "of novel and improved construction, as well as being thoroughly practical and efficient in use" (lines 10-14), including illustrations.
Date: June 20, 1920
Creator: Shoopman, Andrew
Partner: UNT Libraries Government Documents Department
Back to Top of Screen