Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464315 | Squeeze and lift apparatus | Arthur V. Palmer | 1995-11-07 |
| 4616483 | Diffuser wall control | — | 1986-10-14 |
| 4385658 | Fluid temperature measuring device | — | 1983-05-31 |
| 4309876 | Method and apparatus for satisfying heating and cooling demands and control therefor | Thomas M. Zinsmeyer | 1982-01-12 |
| 4267705 | Refrigeration purging system | Thomas M. Zinsmeyer | 1981-05-19 |
| 4254631 | Method and apparatus for satisfying heating and cooling demands and control therefor | Raymond L. Eckman | 1981-03-10 |
| 4254632 | Method and apparatus for satisfying heating and cooling demands and control therefor | Thomas M. Zinsmeyer | 1981-03-10 |