Patent US 4250378A
| Patent number | US 4250378A (click link for details and documents via Google Patents) |
|---|---|
| Title | Photoelectric joystick |
| Inventors | Jon C. Mutton |
| Company | Tektronix Inc |
| Filing date | 1978-10-06 |
| Grant date | 1981-02-10 |
| Patent number | US 4250378A (click link for details and documents via Google Patents) |
|---|---|
| Title | Photoelectric joystick |
| Inventors | Jon C. Mutton |
| Company | Tektronix Inc |
| Filing date | 1978-10-06 |
| Grant date | 1981-02-10 |