Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251190 | Water ring rotary air compressor | Charles D. Brown, Cole N. Plummer, Maurice E. Fernald | 1981-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251190 | Water ring rotary air compressor | Charles D. Brown, Cole N. Plummer, Maurice E. Fernald | 1981-02-17 |