Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208684 | Damper for constant load arm | Donovan M. Janssen, William A. Picker, Anton J. Radman | 1980-06-17 |
| 4189759 | Cantilevered head support arm having increased resonance frequency | Randall C. Bauck, Richard E. Norwood, Donald W. Schaefer | 1980-02-19 |