COMPASS BANK HOUSTON

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4913542 Rear view mirror with two parallel displaced mirror partsExpiredJan 26, 88Apr 03, 90[G02B, B60R]
4296842 Pawl and ratchet mechanismExpiredOct 09, 79Oct 27, 81[F16D]
4294444 Pipe gripping viseExpiredApr 29, 80Oct 13, 81[B25B]
4254655 Hydraulic fill valveExpiredOct 09, 79Mar 10, 81[G01M]
4246809 Power tong apparatus for making and breaking connections between lengths of small diameter tubingExpiredOct 09, 79Jan 27, 81[B25B]

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