Parker Manufacturing Company

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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Expired/Abandoned/Withdrawn Patents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
4367779 Hacksaw with improved blade tensioning mechanismExpiredMar 23, 81Jan 11, 83[B27B, B23D]
D256658 Rivet gunExpiredApr 28, 78Sep 02, 80[D080]
D256327 RiveterExpiredApr 04, 78Aug 12, 80[D080]
4208792 Shearing toolExpiredOct 10, 78Jun 24, 80[B26B]
4184620 Spring powered staplerExpiredMay 19, 78Jan 22, 80[B25C]

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