Patent US 3595153A
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| Patent number | US 3595153A |
|---|---|
| Title | Electrically operated shutter |
| Inventors | Ivar Saul |
| Company | Tektronix Inc |
| Filing date | 1969-07-28 |
| Grant date | 1971-07-27 |
| Cites |
| Patent number | US 3595153A |
|---|---|
| Title | Electrically operated shutter |
| Inventors | Ivar Saul |
| Company | Tektronix Inc |
| Filing date | 1969-07-28 |
| Grant date | 1971-07-27 |
| Cites |