Description:
Design patent for a nut-lock washer that consists of an annular disk having a depression on the margin of its inner opening and with an incision cut in from the periphery, forming a tongue.
Date:
October 24, 1899
Creator:
Carroll, Samuel C.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a cotton picker. This invention consists is a "pneumatic apparatus for conveying cotton when picked from the plant, and comprises a suction-fan and casing therefor, which latter has pipes and through which air is drawn" (lines 15-19). Illustration included.
Date:
May 24, 1904
Creator:
Bennie, William
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a chopping device that can be attached to an existing cultivator, allowing for the use of the cultivator to become a more versatile farm vehicle.
Date:
December 24, 1901
Creator:
Vickers, John J.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for "a projectile having an elliptical cross-section and slight longitadinal twist for use in guns provided with a corresponding bore." (lines 8-11), including description and illustrations.
Date:
September 24, 1901
Creator:
Cole, William F.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for combination-heater in which it can be submerged directly in a body of water contained in any open-top vessel, such as a bath-hub, bucket or other receptacle for the purpose of raising the temperature of the water to a desired degree. (Lines 12-16) Illustration is included.
Date:
March 24, 1903
Creator:
Mansfield, Charles Augustus & Hayes, George Daniel
Partner:
UNT Libraries Government Documents Department
Description:
Patent for an attachment that cleans and scrapes the drive wheels of mowing machines and harvesters, to keep them free of accumulated mud and running smoothly.
Date:
December 24, 1901
Creator:
Marshall, John Henry.
Partner:
UNT Libraries Government Documents Department
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