3 Matching Results

Search Results

Results: 1 - 3

Packer for Wells

Description: Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
Partner: UNT Libraries Government Documents Department

Roadway.

Description: Patent for an improved roadway that utilizes concrete tracks and asphalt or bitumen filler to create a grooved, hard, and durable surface, with illustrations.
Date: June 28, 1921
Creator: Moore, Stuart B.
Partner: UNT Libraries Government Documents Department

Measuring Vessel.

Description: Patent for a measuring vessel that is meant to be used with a gasoline device described in patent application Serial No. 228,889.
Date: June 28, 1921
Creator: McKallip, John C.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen