Assignee
BIRMINGHAM CONSTRUCTION LTD
CA·3 granted patents·52 citations·filing 1976–1998
Top patents by PatentIndex Score
3 records- 0154US6129487AUnderwater pile driving toolBIRMINGHAM CONSTRUCTION LTD·Filed 1998·Granted Oct 10, 2000·24 cites·10 claims
- 0252US4575359ARotary drive couplingBIRMINGHAM CONSTRUCTION LTD·Filed 1984·Granted Mar 11, 1986·20 cites·18 claims
- 0323US4057117AAuger spoil disposal boxBIRMINGHAM CONSTRUCTION LTD·Filed 1976·Granted Nov 8, 1977·8 cites·12 claims
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