Patent US 3595153A
| Patent number | US 3595153A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electrically operated shutter |
| Inventors | Ivar Saul |
| Company | Tektronix Inc |
| Filing date | 1969-07-28 |
| Grant date | 1971-07-27 |
| Patent number | US 3595153A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electrically operated shutter |
| Inventors | Ivar Saul |
| Company | Tektronix Inc |
| Filing date | 1969-07-28 |
| Grant date | 1971-07-27 |