Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304635 | Cart | William H. Barrett, Lisa M. Mohr, David L. Schaum | 1989-11-14 |
| 4877204 | Tilt/swivel display base | David L. Schaum | 1989-10-31 |
| D301234 | Cursor control for computer graphics workstation | Harold R. Boyer, Joseph W. Braidt, Louis J. Remsburger | 1989-05-23 |
| D300030 | Remote control unit | William H. Barrett, Lisa M. Mohr, Louis J. Remsburger, David L. Schaum | 1989-02-28 |