Patent US 4734690A
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| Patent number | US 4734690A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for spherical panning |
| Inventors | William G. Waller |
| Company | Tektronix Inc |
| Filing date | 1987-04-06 |
| Grant date | 1988-03-29 |