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Double-Lever Brake.
Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date:
March 23, 1920
Creator:
Roberts, George P.
System:
The Portal to Texas History
Grain Bag Holder
Patent for Grain Bag Holder which is a simple device that will enable an operator to hold a bag securely at one side of a chute and which holder will quickly release the bag at the will of the operator.
Date:
August 23, 1921
Creator:
White, Ira B.
System:
The Portal to Texas History