Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4767427 | Cartridge filter mounting apparatus | Joseph A. Barabas, Joseph G. Polscer | 1988-08-30 | $2,645,000 |
| 4529422 | Sonic horn failure detection system | — | 1985-07-16 | $540,000 |