Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428408 | Low flow fume hood | Geoffrey C. Bell, Darryl Dickerhoff | 2002-08-06 |
| 6089970 | Energy efficient laboratory fume hood | — | 2000-07-18 |
| 5135460 | Apparatus for controlling machines for making bags or sacks | — | 1992-08-04 |
| 5002522 | Apparatus for controlling machines for making bags or sacks | — | 1991-03-26 |
| 4402186 | Stirling heating pump | Rainer Moeres | 1983-09-06 |