Assignee
SPARLING JAMES DOUGLAS
1 granted patent·1 pending application·9 citations·filing 2002–2008
Top patents by PatentIndex Score
2 records- 0165US7938097B2Low speed valveless horizontally opposed piston rotary internal combustion engineSPARLING JAMES DOUGLAS·Filed 2008·Granted May 10, 2011·9 cites·4 claims
- 0228US2003085562A1Modular passenger semi-trailer with pneumatic unipoint suspensionSPARLING JAMES DOUGLAS·Filed 2002·Application pending·0 cites
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