Kopera, Jr.; Joseph J
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kopera, Jr.; Joseph J.The latest application filed is for "02 sensor filter".
- Kopera, Jr.; Joseph J - Trenton MI
- Kopera, Jr.; Joseph J. - Trenton MI
| Patent | Date |
|---|---|
| 02 Sensor filter Grant 6,668,617 - Radu , et al. December 30, 2 | 2003-12-30 |
| Power supply polarity reversal protection circuit Grant 5,519,557 - Kopera, Jr. , et al. May 21, 1 | 1996-05-21 |
| Electronic Digital Speedometer Grant 3,868,570 - Kopera, Jr. February 25, 1 | 1975-02-25 |
| Motor Vehicle Electronic Security Alarm System Using Sequence Control Arming Grant 3,858,175 - Kopera, Jr. December 31, 1 | 1974-12-31 |
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