SWEEPSTER, INC.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5933907 Modification of strip brushExpiredNov 05, 97Aug 10, 99[A46B]
5445438 Strip brush for mounting on a rotary drumExpiredSep 06, 94Aug 29, 95[A46D]
5358311 Strip brush for mounting on a rotary drumExpiredOct 05, 93Oct 25, 94[A46D]
5358312 Method of making a strip brush for mounting of a rotary drumExpiredDec 16, 93Oct 25, 94[A46D]

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