Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302684 | Keyboard | Marcus C. Koepke | 1989-08-08 |
| D300324 | Cursor control for computer display | Douglas C. Bushman, Diane G. Hodes, Marcus C. Koepke | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302684 | Keyboard | Marcus C. Koepke | 1989-08-08 |
| D300324 | Cursor control for computer display | Douglas C. Bushman, Diane G. Hodes, Marcus C. Koepke | 1989-03-21 |