Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783919 | Display apparatus with AC gear motor drive control | Hans Dehli | 1998-07-21 |
| 5459954 | Advertising display method and apparatus | William R. Bronaugh, John W. Goodin, Roger J. Rickey, Gustav Hubert | 1995-10-24 |
| 5440214 | Quiet drive control and interface apparatus | — | 1995-08-08 |
| 4616275 | Disc servo with 1F-2F servo pattern | — | 1986-10-07 |