Patent US 4707845A
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| Patent number | US 4707845A (click link for details and documents via Google Patents) |
|---|---|
| Title | Touch panel with automatic nulling |
| Inventors | Philip T. Krein, Robert D. Meadows, Bruce Murdock, Daniel G. Teichmer |
| Company | Tektronix Inc |
| Filing date | 1986-08-26 |
| Grant date | 1987-11-17 |