3 Matching Results

Search Results

Results: 1 - 3

Pump-Plunger

Description: Patent for a pump-plunger.
Date: April 7, 1903
Creator: Scott, Eugene
Partner: UNT Libraries Government Documents Department

Fly-Trap.

Description: Patent for an improvement to fly traps in which the flies are attracted by a sweet smelling substance down a funnel into the substance from which they are unable to escape. The flies either drown in the substance or are poisoned.
Date: July 7, 1914
Creator: Brown, Thomas E.
Partner: UNT Libraries Government Documents Department

Pipe Gripping Device.

Description: Patent for Pipe Gripping Device used in conjunction with a good drilling outfit to grip and support the casing pipe of a well.
Date: March 7, 1916
Creator: Palmore, Martin W.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen