Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890207 | Connection to a suction disc | — | 2021-01-12 |
| 4791980 | Sealing arrangement for air preheater | Donald K. Hagar, Garnold Townsend | 1988-12-20 |
| 4673026 | Sealing arrangement for air preheater | Donald K. Hagar, Garnold Townsend | 1987-06-16 |