Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385344 | Modular device for playing pranks | Kenneth C. Miller | 1995-01-31 |
| 4814552 | Ultrasound position input device | Mark J. Stefik | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385344 | Modular device for playing pranks | Kenneth C. Miller | 1995-01-31 |
| 4814552 | Ultrasound position input device | Mark J. Stefik | 1989-03-21 |