Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804238 | Torsion spring powered door | Norbert A. Rumps, Jr. | 1989-02-14 |
| D295976 | Multifunction communication controller | Leonard R. Aremka, Detlef A. Brodrueck, Donald M. Genaro, Chris G. Johnson | 1988-05-31 |