Inventor · disambiguated record
John L. Old
Also filed as: OLD JOHN L · OLD JOHN LESLIE
8 granted patents·133 citations·filing 1975–1987
88Inventor score
Top patents by PatentIndex Score
8 records- 0180US4181181ATractor implement hitch with rubbing surfaces to limit swayMASSEY FERGUSON INC·Filed 1977·Granted Jan 1, 1980·28 cites·8 claims
- 0272US4065009AMaterial handling apparatusMASSEY FERGUSON SERVICES NV·Filed 1975·Granted Dec 27, 1977·21 cites·7 claims
- 0371US4811620AThrottle controlsMASSEY FERGUSON SERVICES NV·Filed 1987·Granted Mar 14, 1989·35 cites·6 claims
- 0455US4377300ABallast weights for tractorsMASSEY FERGUSON SERVICES NV·Filed 1981·Granted Mar 22, 1983·14 cites·7 claims
- 0549US4126328AHitchesMASSEY FERGUSON SERVICES NV·Filed 1977·Granted Nov 21, 1978·9 cites·8 claims
- 0646US4108463AImplement support linkagesMASSEY FERGUSON SERVICES NV·Filed 1976·Granted Aug 22, 1978·8 cites·10 claims
- 0743US4793207APedal actuatorsMASSEY FERGUSON SERVICES NV·Filed 1987·Granted Dec 27, 1988·9 cites·4 claims
- 0837US4584899ALockable lever arrangementsMASSEY FERGUSON SERVICES NV·Filed 1985·Granted Apr 29, 1986·9 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →