Waco International Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0079,465 Multi-Fit Stairway HookAbandonedOct 05, 09Apr 07, 11[B23P, E04G]
6443262 Tubular frame scaffoldingExpiredDec 30, 99Sep 03, 02[E04G]
5290124 Boat standExpiredJul 06, 92Mar 01, 94[B63C]
5145030 Guard rail postExpiredSep 11, 91Sep 08, 92[E04G]
4723633 Adjusting screw retainerExpiredMay 26, 87Feb 09, 88[E04G]
4549634 Scaffold connector assemblyExpiredApr 15, 83Oct 29, 85[E04G]

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