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Sectional Rim

Description: Patent for a sectional rim, which provides a sectional demountable tire rim with interlocking means to easily actuate and separate so that the tire can be removed from or applied to the rim.
Date: May 31, 1921
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for a washing machine that launders articles of clothing. The machine has a plunger that causes rotary movement allowing cleaning fluid to reach all articles, including illustrations.
Date: May 31, 1921
Creator: Carroll, Houston M., Sr.
Partner: UNT Libraries Government Documents Department

Pneumatic Tire.

Description: Patent for improved pneumatic tires for motor vehicles that will prevent deflation when punctured.
Date: May 31, 1921
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department
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