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5 Matching Results
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Cotton-Chopper.
Patent for a cotton-chopper meant to be the most simply constructed. The hoes are attached to a rotating cylinder in the center of the frame, and the hoes rotating is what chops the cotton.
Date:
March 9, 1897
Creator:
Hopkins, Benjamin F.
System:
The Portal to Texas History
Apparatus for Aging Whisky.
Patent for a barrel for heating and aging whiskey, which accelerates aging time. Includes instructions and illustrations.
Date:
June 15, 1891
Creator:
Halligan, John H.
System:
The Portal to Texas History
Envelop-Seal.
Patent for an envelop seal composed of a metal piece with two arms, which are threaded through a hole in the envelop and pressed down into the sticky gum surface on the inside of the envelop flap.
Date:
March 9, 1909
Creator:
Bennick, Henry
System:
The Portal to Texas History
Piston for Pneumatic Pumps.
Patent for improvements in pistons for pneumatic pumps by using a combination of a tubular shell, a cylindrical valve, a conical aperture and a conical projection to fulfill the conditions required of a piston in pumps. Illustration is included.
Date:
March 31, 1891
Creator:
Robinson, Charles H.
System:
The Portal to Texas History
Fire-Arm.
Patent for an improvement to adjusting rifle barrels and holding those adjustments in place. Includes illustrations.
Date:
March 8, 1887
Creator:
Alston, William F.
System:
The Portal to Texas History