U.S. patents available from 1976 to present.
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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 15/149 - Expansible


Subclass of Class 15 - Brushing, scrubbing, and general cleaning
Definition: Mop-holders having expansible arms to bring the mop into
No. of patents: 1
Last issue date: 11/04/2003


NumberTitleIssue Date
6640532Lawn sweeper constructed for upright storage and having an adjustable hitch clevis assembly
A lawn sweeper generally comprises a tow bar adapted to be connected to a draw bar of a lawn implement, a brush housing containing a plurality of brushes mounted for rotation, and a hamper assembly secured behind the brush housing. A hitch clevis assembly... 		11/04/2003
 
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