Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834885 | Seal arrangement for fluid filters | Kenneth G. Misgen, Gary J. Rocklitz, Reynold F. Durre | 1989-05-30 |
| 4819549 | End seal for clean room ceiling supports | Joseph C. Tokar | 1989-04-11 |