Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D395495 | Smoke exhauster | — | 1998-06-23 |
| 5678532 | Guard device for smoke exhauster | — | 1997-10-21 |
| 5582160 | Guard device for smoke exhauster | — | 1996-12-10 |
| 5335860 | Rotary spray chamber device for conditioning aerosols | Gary M. Hieftje | 1994-08-09 |