Assignee
FERRY CAP & SET SCREW CO
4 granted patents·74 citations·filing 1974–1982
Top patents by PatentIndex Score
4 records- 0180US4267870AScrew fastener with multi-point wrenching head and locking capabilitiesFERRY CAP & SET SCREW CO·Filed 1978·Granted May 19, 1981·50 cites·4 claims
- 0246US4172438AValve device and system employing sameFERRY CAP & SET SCREW CO·Filed 1978·Granted Oct 30, 1979·10 cites·33 claims
- 0344US4024846AValve device and system employing the sameFERRY CAP & SET SCREW CO·Filed 1974·Granted May 24, 1977·9 cites·20 claims
- 0438US4702272AValve device for increasing the fuel economy and reducing the emissions from an internal combustion engineFERRY CAP & SET SCREW CO·Filed 1982·Granted Oct 27, 1987·5 cites·15 claims
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