Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7389800 | Orientation-independent fluid delivery apparatus | Scott Noble Hickman, James Cegelski | 2008-06-24 |
| 4820317 | Method and apparatus for controlling the suction pressure in a dust collecting duct | — | 1989-04-11 |
| 4753665 | Method and apparatus for controlling the suction pressure in a dust collecting duct | — | 1988-06-28 |
| D283190 | Rug | — | 1986-04-01 |