Patent US 4835613A: Difference between revisions
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|Number=4835613A | |Number=4835613A | ||
|Title=Transition status display for video switcher | |Title=Transition status display for video switcher | ||
|Company= | |Company=Grass Valley Group Inc | ||
|Inventors=Brion Johnson | |Inventors=Brion Johnson | ||
|Filing date=1988-04-08 | |Filing date=1988-04-08 | ||
|Grant date=1989-05-30 | |Grant date=1989-05-30 | ||
}} | }} | ||
Revision as of 06:02, 31 August 2021
| Patent number | US 4835613A (click link for details and documents via Google Patents) |
|---|---|
| Title | Transition status display for video switcher |
| Inventors | Brion Johnson |
| Company | Grass Valley Group Inc |
| Filing date | 1988-04-08 |
| Grant date | 1989-05-30 |