Patent US 4746934A
Patent number | US 4746934A (click link for details and documents via Google Patents) |
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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 |