4 Matching Results

Search Results

Advanced search parameters have been applied.

Mechanical Movement.

Description: Patent for a mechanical movement for ratchet feeding mechanisms " in which movement is imparted from a rocking lever to a ratchet wheel through the medium of a plurality of pawls that are so connected to the lever as to operate on the ratchet wheel during movement of the levers in both directions"(lines 10-16).
Date: March 16, 1909
Creator: Oswald, William S.
Partner: UNT Libraries Government Documents Department


Description: Patent for necktie retainers that can be slipped into turndown collars while retaining neckties or scarfs against pulling down or moving sidewise, with illustration (lines 10-15).
Date: March 16, 1915
Creator: Yeager, Margaret Sanders
Partner: UNT Libraries Government Documents Department

Water Heater and Purifier.

Description: Patent for a new and improved water heater and purifier. This design consists "[i]n the condenser, having the cover, the water-pipe and exhaust-steam pipe combined with the corrugated convex disk, whereby the water falls upon the disk and the steam enters beneath it" (lines 6-10).
Date: November 16, 1886
Creator: Wilson, Martin M.
Partner: UNT Libraries Government Documents Department