Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4269216 | Pressure demand valve system | John L. Sullivan, Eugene A. Georgini | 1981-05-26 |
| 4260873 | Electrically heated hand held vaporizer for vapor polishing plastic surfaces | — | 1981-04-07 |