Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879635 | Mounting chassis for a graphics function control unit | Robert Collins, John Quinn | 1989-11-07 |
| 4875880 | Modular faceplate system | Glenn S. Welch, Michael Romm, Bernie J. Maurer | 1989-10-24 |