Vartanian; Richard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vartanian; Richard D..The latest application filed is for "carburetor venturi vacuum and engine manifold vacuum controlled exhaust gas recirculating".
- Vartanian; Richard D. - Dearborn MI
| Patent | Date |
|---|---|
| Carburetor venturi vacuum and engine manifold vacuum controlled exhaust gas recirculating Grant 3,878,823 - Vartanian April 22, 1 | 1975-04-22 |
| Exhaust Gas Recirculating System Control Grant 3,741,179 - Vartanian June 26, 1 | 1973-06-26 |
| Engine Spark Timing Control Grant 3,730,154 - Vartanian May 1, 1 | 1973-05-01 |
| Accelerator Pump Controlled Engine Spark Timing Grant 3,699,936 - Vartanian October 24, 1 | 1972-10-24 |
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