Inventor · disambiguated record
Roy Stevenson
Also filed as: STEVENSON ROY · STEVENSON ROY A
3 granted patents·3 pending applications·10 citations·filing 1977–2013
60Inventor score
Top patents by PatentIndex Score
6 records- 0162US2014034804A1Down sprue core for use in casting railcar coupler knucklesBEDLOE IND LLC·Filed 2013·Application pending·0 cites
- 0257US2013025815A1Down sprue core for use in casting railcar coupler knucklesNIBOUAR F ANDREW·Filed 2011·Application pending·0 cites
- 0340US2013025811A1Rigging system for casting railcar coupler partsNIBOUAR F ANDREW·Filed 2011·Application pending·0 cites
- 0430US4611798ACloth spreading apparatusCUTTING ROOM APPLIANCES CORP·Filed 1985·Granted Sep 16, 1986·4 cites·8 claims
- 0529US4188581ASignalling systemSTEVENSON ROY A·Filed 1977·Granted Feb 12, 1980·6 cites·15 claims
- 0619US6473456B1Data acquisition sensor and method of signalingFiled 1999·Granted Oct 29, 2002·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →