Assignee
ST JOHN RICHARD C
US·4 granted patents·210 citations·filing 1986–1992
Top patents by PatentIndex Score
4 records- 0195US4767383AAdjustable tensioner for belt and chain drivesST JOHN RICHARD C·Filed 1986·Granted Aug 30, 1988·72 cites·20 claims
- 0292US4957471AAdjustable locked center and dynamic tensionerST JOHN RICHARD C·Filed 1989·Granted Sep 18, 1990·49 cites·28 claims
- 0389US5354242AAutomatic belt tensioner with an enclosed flat wire power spring and improved zeroing and damping meansST JOHN RICHARD C·Filed 1992·Granted Oct 11, 1994·47 cites·15 claims
- 0487US5064405AAdjustable locked center and dynamic tensionerST JOHN RICHARD C·Filed 1990·Granted Nov 12, 1991·42 cites·14 claims
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