Texas Patents - 3 Matching Results

Search Results

Results: 1 - 3

Dredge.

Description: Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Heater.

Description: Patent for a heater, "designed for use in orchards for raising the temperature of the atmosphere at times when frosts or freezing temperature is threatened" (lines 11-14). Illustration included.
Date: November 18, 1919
Creator: Briscoe, Williard H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Submarine-Destroyer.

Description: Patent for submarine destroyer that is a projectile of the harpoon type adapted to be dropped from an aeroplane with the purpose to destroy a submarine or other vessel.
Date: November 27, 1917
Creator: Garner, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen