Patent US 4106011A
Jump to navigation
Jump to search
| Patent number | US 4106011A |
|---|---|
| Title | Keyboard circuit |
| Inventors | John Laurence Melanson, Richard Allen Springer, Jack Duane Grimes, Jack Gilmore |
| Company | Tektronix Inc |
| Filing date | 1975-10-24 |
| Grant date | 1978-08-08 |
| Cites |