3 Matching Results

Search Results

Results: 1 - 3

Pump-Strainer.

Description: Patent for a pump strainer for liquid wells that excludes sand and other foreign matter before it can foul the pump or wear its parts.
Date: November 13, 1900
Creator: Stukes, John Marion
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Clamp.

Description: Patent for safety clamp "designed with special reference to supporting well-tubing in place in shallow or deep wells" (lines 8-10).
Date: November 11, 1902
Creator: Treadwell, Cornelia E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Powder- Sprayer

Description: Patent for Insect Powder Sprayer. This sprayer allows the use of insecticide powder for use on animals, plants, and insects.
Date: November 30, 1920
Creator: Erwin, Samuel D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen