Assignee
STEWARD MACHINE CO INC
US·4 granted patents·19 citations·filing 1993–2013
Top patents by PatentIndex Score
4 records- 0144US7020924B2Static stabilizers for bridgesSTEWARD MACHINE CO INC·Filed 2004·Granted Apr 4, 2006·4 cites·25 claims
- 0242US8590086B1Wear resisting span lock systemSTEWARD MACHINE CO INC·Filed 2013·Granted Nov 26, 2013·0 cites·10 claims
- 0341US6588041B1Pre-load adjustment for span lock systemSTEWARD MACHINE CO INC·Filed 2002·Granted Jul 8, 2003·6 cites·13 claims
- 0440US5327605AEnergy-absorbing span lock system for drawbridgesSTEWARD MACHINE CO INC·Filed 1993·Granted Jul 12, 1994·9 cites·21 claims
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