ARK, 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Expired/Abandoned/Withdrawn Patents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
5622361 Method of and apparatus for separating and feeding workpieces of limp material from a stack thereofExpiredApr 27, 95Apr 22, 97[B65H]
5499564 Method and apparatus for forming a spreadExpiredApr 15, 94Mar 19, 96[B65H]
5314178 Automatic feeder for workpieces of limp materialExpiredNov 16, 92May 24, 94[B65H]
5290027 Article positioning apparatus and method for positioning an articleExpiredFeb 19, 92Mar 01, 94[B65H]
5174558 Automatic feeder for workpieces of limp materialExpiredJul 22, 91Dec 29, 92[B65H]
5167406 Apparatus for automatically inverting workpieces of limp sheet materialExpiredJul 02, 91Dec 01, 92[B65H]
5151077 Method and apparatus for perforating materialExpiredJul 31, 91Sep 29, 92[B26F]
5098079 Apparatus for stacking pieces of limp materialExpiredSep 10, 90Mar 24, 92[B65H]
5082267 Automatic feeder for workpieces of limp materialExpiredDec 04, 89Jan 21, 92[B65H]
5046712 Apparatus for handling workpieces of limp sheet materialExpiredSep 10, 90Sep 10, 91[B65H]
5040778 Apparatus for automatically inverting workpieces of limp sheet materialExpiredJul 16, 90Aug 20, 91[B65H]

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