UNT Libraries Government Documents Department - 8 Matching Results

Search Results

Results: 1 - 8

Windmill.

Description: Patent for an improved wind wheel that has "every other blade...has a right angled extension or cup to catch the wind, the blades thus formed being set in the hub and rim of the wheel so as to have said right angled portions where they will receive the full force of the wind" (lines 17-22). A ring supports the angled portions of the windmill blades.
Date: March 7, 1893
Creator: Bowman, Charles R.
Item Type: Refine your search to only Patent

Tag.

Description: Patent for an inexpensive and simple tag to label bolts of cloth that is "a convenient means for fastening the [tag] in such position upon a bolt of goods as to prevent it from becoming twisted or turned, and so that the tag will always be held or supported so as to exhibit the markings thereon" (lines 12-16).
Date: March 19, 1895
Creator: Winkler, Charles
Item Type: Refine your search to only Patent

Trap-Gun.

Description: Patent for a trap gun, which is placed in a trap and fires when bait is disturbed which will only go off when the bait is tampered with and can turn to follow an animals movements in the trap.
Date: March 24, 1908
Creator: Lovelace, Charles D.
Item Type: Refine your search to only Patent

Calculating-Machine

Description: Patent for certain new and useful improvements in calculating machines. Whereby substantially correct calculations may be registered or recored without using a series of superfluous or immaterial numbers. The machine will round prices up to the nearest cent. For example, $0.024 becomes $0.02 while $0.025 becomes $0.03. Illustrations included.
Date: March 6, 1917
Creator: Hardgrave, Everett J.
Item Type: Refine your search to only Patent
Back to Top of Screen