Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301234 | Cursor control for computer graphics workstation | Harold R. Boyer, Joseph W. Braidt, Joseph Allen Gregory | 1989-05-23 |
| D300030 | Remote control unit | William H. Barrett, Joseph Allen Gregory, Lisa M. Mohr, David L. Schaum | 1989-02-28 |