Wightman; Lawrance W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wightman; Lawrance W..The latest application filed is for "battery warmer".
- Wightman; Lawrance W. - St. Louis MO
| Patent | Date |
|---|---|
| Battery warmer Grant 4,591,692 - Wightman May 27, 1 | 1986-05-27 |
| Vehicular cup and base assembly Grant 4,305,533 - Wightman , et al. December 15, 1 | 1981-12-15 |
| Heating unit Grant 3,876,861 - Wightman , et al. April 8, 1 | 1975-04-08 |
| Joint construction Grant 3,867,047 - Wightman , et al. February 18, 1 | 1975-02-18 |
| Open Coil Electric Heater Grant 3,846,619 - Wightman , et al. November 5, 1 | 1974-11-05 |
| Plate Spacing Fixture For Electrostatic Air Cleaners Grant 3,836,135 - Wightman September 17, 1 | 1974-09-17 |
| Continuous Stroke Tube Insertion And Expanding Device Grant 3,824,668 - Wightman July 23, 1 | 1974-07-23 |
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