Bratkowski; Walter V.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bratkowski; Walter V..The latest application filed is for "universal relay".
- Bratkowski; Walter V. - McKeesport PA
| Patent | Date |
|---|---|
| Universal relay Grant 5,034,714 - Bratkowski , et al. July 23, 1 | 1991-07-23 |
| Circuit breaker contact operating structure Grant 5,023,583 - Bratkowski , et al. June 11, 1 | 1991-06-11 |
| Circuit breaker with remote control Grant 4,725,799 - Bratkowski , et al. February 16, 1 | 1988-02-16 |
| Integral circuit interrupter with separable modules Grant 4,680,562 - Bratkowski , et al. July 14, 1 | 1987-07-14 |
| Current limiting solenoid operated circuit breaker Grant 4,654,614 - Chien , et al. March 31, 1 | 1987-03-31 |
| Remotely controlled solenoid operated circuit breaker Grant 4,625,190 - Wafer , et al. November 25, 1 | 1986-11-25 |
| Current limiting circuit breaker Grant 4,255,732 - Wafer , et al. March 10, 1 | 1981-03-10 |
| Mechanically-powered electric generator for instant-photographic camera and other apparatus Grant 4,101,792 - Shoupp , et al. July 18, 1 | 1978-07-18 |
| Compact mechanically-powered electric generator for a camera or other apparatus Grant 4,020,369 - Shoupp , et al. April 26, 1 | 1977-04-26 |
| Circuit breaker with improved trip actuator and undervoltage release mechanism Grant 4,013,926 - Lang , et al. March 22, 1 | 1977-03-22 |
| Permanent-magnet Type Relay Grant 3,919,676 - Bratkowski , et al. November 11, 1 | 1975-11-11 |
| Collapsible Instant-photographic Camera Having An Integral Mechanically-powered Electric Generator Grant 3,840,297 - Shoupp , et al. October 8, 1 | 1974-10-08 |
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