Assignee
GEORGE INGRAHAM CORP
US·3 granted patents·118 citations·filing 1986–1994
Top patents by PatentIndex Score
3 records- 0167US5078432AMultiple duct conduit and couplingsGEORGE INGRAHAM CORP·Filed 1986·Granted Jan 7, 1992·46 cites·15 claims
- 0263US5137306AMultiple-duct conduit system with expansion chamber couplingGEORGE INGRAHAM CORP·Filed 1990·Granted Aug 11, 1992·32 cites·13 claims
- 0362US5463187AFlexible multi-duct conduit assemblyGEORGE INGRAHAM CORP·Filed 1994·Granted Oct 31, 1995·40 cites·7 claims
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