Leffert; Charles B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leffert; Charles B..The latest application filed is for "ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream".
- Leffert; Charles B. - Troy MI
| Patent | Date |
|---|---|
| Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream Grant 4,882,934 - Leffert , et al. November 28, 1 | 1989-11-28 |
| Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream Grant 4,726,235 - Leffert , et al. February 23, 1 | 1988-02-23 |
| Closed Cycle Vapor Engine Grant 3,670,495 - Leffert June 20, 1 | 1972-06-20 |
| Control System For Heat Pipes Grant 3,621,906 - Leffert November 23, 1 | 1971-11-23 |
| Disc Brake Cooling Grant 3,592,297 - Leffert July 13, 1 | 1971-07-13 |
| Brake Heat Pipe Cooling Grant 3,592,298 - Leffert , et al. July 13, 1 | 1971-07-13 |
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