UNT Libraries Government Documents Department - 4 Matching Results

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Patent for improved replacers for derailed railroad cars, complete with illustrations.

Date: April 13, 1915

Creator: Duval, Allen

Item Type: Patent

Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.

Date: January 13, 1914

Creator: Wolf, Gustav B.

Item Type: Patent

Patent for improvements to vise and saw clamps complete with illustration.

Date: April 13, 1915

Creator: King, William T.

Item Type: Patent

Patent for a press for forming hollow objects such as furnace pots. Illustrations included.

Date: July 13, 1909

Creator: Williams, Robert Lucius

Item Type: Patent