Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151795 | Flat material dryer | Karl H. Hoffman, Walter Glowacki, David T. Gunn | 2000-11-28 |
| 5806204 | Material dryer using vacuum drying and vapor condensation | Karl H. Hoffman, Walter Glowacki | 1998-09-15 |
| 4750546 | Automatic baseboard damper system | Arthur R. Godbout, Russell F. Lord, Raymond William Pulver | 1988-06-14 |