Inventor · disambiguated record
Melvin G. Risner
Also filed as: RISNER MELVIN G
5 granted patents·126 citations·filing 1982–1986
83Inventor score
Files withREB MANUFACTURING INC5
Top patents by PatentIndex Score
5 records- 0172US4606433AStep convertible platform liftREB MANUFACTURING INC·Filed 1984·Granted Aug 19, 1986·26 cites·33 claims
- 0262US4718812AWheelchair lift with positive automatic handrailREB MANUFACTURING INC·Filed 1986·Granted Jan 12, 1988·42 cites·9 claims
- 0357US4474527AOptional manual gravity wheelchair liftREB MANUFACTURING INC·Filed 1982·Granted Oct 2, 1984·32 cites·2 claims
- 0447US4551056AAutomatic handrail for platform liftREB MANUFACTURING INC·Filed 1983·Granted Nov 5, 1985·21 cites·12 claims
- 0531US4480719ALift platform retainerREB MANUFACTURING INC·Filed 1982·Granted Nov 6, 1984·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →