Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831476 | Disc drive isolation system | Joseph R. Branc, Thomas J. Merchant, Philip J. Pisczak | 1989-05-16 |
| 4831582 | Database access machine for factory automation network | Robert E. Horton, Peter Hayward | 1989-05-16 |