Patent US 4746934A
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| Patent number | US 4746934A |
|---|---|
| Title | Color image copying system using a cathode-ray tube with diffraction grating face plate |
| Inventors | Susan C. Schoening |
| Company | Tektronix Inc |
| Filing date | 1986-07-07 |
| Grant date | 1988-05-24 |
| Cites |