Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767427 | Cartridge filter mounting apparatus | Joseph A. Barabas, Joseph G. Polscer | 1988-08-30 |
| 4529422 | Sonic horn failure detection system | — | 1985-07-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767427 | Cartridge filter mounting apparatus | Joseph A. Barabas, Joseph G. Polscer | 1988-08-30 |
| 4529422 | Sonic horn failure detection system | — | 1985-07-16 |