Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143286 | Thermostatic valve | Henning B. Hansen, Stefan Maroti, Knud Lykkegaard | 1992-09-01 |
| 5113169 | Indicating fuse assembly | William E. Ruehl, E. Grant Swick | 1992-05-12 |
| 4925257 | Safety lock system for cabinet with multiple drawers | John M. Allen, Gregg W. Walla | 1990-05-15 |
| 4611406 | Enclosure for electrical data input apparatus | Keith A. Engstrom | 1986-09-16 |