Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146536 | High temperature electric air heater with tranversely mounted PTC resistors | — | 1992-09-08 |
| 5004893 | High-speed, high temperature resistance heater and method of making same | — | 1991-04-02 |
| 4673238 | One-piece wrap-around clamping shell for cigar lighter | Peter J. Lupoli, John Comerford | 1987-06-16 |
| 4669185 | Method of making a composite clamping shell | John Comerford, Donald J. Mattis | 1987-06-02 |
| 4580856 | Composite clamping shell for electric cigar lighters | John Comerford, Donald J. Mattis | 1986-04-08 |
| 4565991 | Chime generator circuit for connection with existing automobile radio speaker | Peter J. Lupoli | 1986-01-21 |
| RE31908 | Glow plug | John T. Petrik | 1985-06-04 |
| 4414463 | Diesel glow-plug ignitor | John T. Petrik | 1983-11-08 |