UNT Libraries Government Documents Department - 10 Matching Results

Search Results

Results: 1 - 10

Boiler-Skimmer.

Description: Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Item Type: Refine your search to only Patent

Toy Dish.

Description: Patent for a toy dish that is lightweight, attractive, durable, and cheap to manufacture. The design utilizes celluloid coverings.
Date: October 14, 1919
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent

Etching Apparatus.

Description: Patent for an etching device that is for those interested in producing copper and zinc half-tones. This device can also use wave like motion to retain highlight tones and finish half-tones without requiring re-etching or staging.
Date: January 14, 1919
Creator: Beare, John H.
Item Type: Refine your search to only Patent

Display or Advertising Device.

Description: Patent for a dimple, durable display or advertising device "which may be easily and conveniently used for displaying or exposing an advertising sign in a manner to attract attention to the same" (lines 14-17), including instructions and illustrations.
Date: May 14, 1918
Creator: Fox, William N.
Item Type: Refine your search to only Patent

Universal Lever

Description: Patent for a new universal lever “for the purpose of the transmission of power from any suitable source to a rod or bar, for reciprocating the rod or bar in a perfectly straight line at all times” (lines 15-18) including instructions and illustrations.
Date: December 14, 1915
Creator: Blackaller, Miguel
Item Type: Refine your search to only Patent
Back to Top of Screen