Inventor · disambiguated record
Roland B. Caldwell
Also filed as: CALDWELL ROLAND B
3 granted patents·46 citations·filing 1975–1985
71Inventor score
Files withRANCO INC3
Top patents by PatentIndex Score
3 records- 0171US3970061AControl system for exhaust gas recirculating valveRANCO INC·Filed 1975·Granted Jul 20, 1976·16 cites·11 claims
- 0269US4703625ATurbocharger control systemRANCO INC·Filed 1985·Granted Nov 3, 1987·26 cites·26 claims
- 0329US4619286AElevation responsive automatic vehicle control systemRANCO INC·Filed 1984·Granted Oct 28, 1986·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →