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Fiber Extracting Machine

Description: Patent for "new and improved Fiber-Extracting Machine." (6-7). These improvements are specific to equipment used to separate fibers from vegetable and plant matter. The primary function of this equipment is to extract fiber from the agave plant.
Date: September 6, 1921
Creator: Lambert, William O.
Partner: UNT Libraries Government Documents Department

Valve and Valve-Seat.

Description: Patent for a valve and valve seat made of stainless steel for the purpose of preventing rusting and corrosion.
Date: September 20, 1921
Creator: Bevelle, Joseph C. & Smith, Joseph J.
Partner: UNT Libraries Government Documents Department

Piston Packing

Description: Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.
Partner: UNT Libraries Government Documents Department
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