Widdowson; Richard E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Widdowson; Richard E..The latest application filed is for "rotisserie grill".
- Widdowson; Richard E. - Dayton OH
| Patent | Date |
|---|---|
| Rotisserie grill Grant 4,572,062 - Widdowson February 25, 1 | 1986-02-25 |
| Two-stage flow restrictor valve assembly Grant 4,375,228 - Widdowson March 1, 1 | 1983-03-01 |
| Universal internal tube accumulator Grant 4,270,934 - Widdowson , et al. June 2, 1 | 1981-06-02 |
| Pressure operated hydraulic control valve Grant 4,236,875 - Widdowson December 2, 1 | 1980-12-02 |
| Compressor modulation delay valve for variable capacity compressor Grant 4,231,713 - Widdowson , et al. November 4, 1 | 1980-11-04 |
| Modulated throttling valve Grant 3,965,693 - Widdowson June 29, 1 | 1976-06-29 |
| Piloted freeze throttling valve Grant 3,962,884 - Widdowson June 15, 1 | 1976-06-15 |
| Modulated Suction Throttling Valve Grant 3,800,551 - Weibel, Jr. , et al. April 2, 1 | 1974-04-02 |
| Suction Throttling Valve For Automotive Refrigerant System Grant 3,744,268 - Widdowson July 10, 1 | 1973-07-10 |
| Air Conditioning Bypass Control Grant 3,715,894 - Widdowson February 13, 1 | 1973-02-13 |
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