Welsh; Alan B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welsh; Alan B..The latest application filed is for "method and apparatus for generating tone signals and the like".
- Welsh; Alan B. - Jasper IN
| Patent | Date |
|---|---|
| Method and apparatus for generating tone signals and the like Grant 4,143,327 - Welsh March 6, 1 | 1979-03-06 |
| Electronic organ with chord and tab switch setting programming and playback Grant 4,129,055 - Whittington , et al. December 12, 1 | 1978-12-12 |
| Method and circuitry for digital-analog frequency generation Grant 4,073,209 - Whittington , et al. February 14, 1 | 1978-02-14 |
| Tape Controlled Automatic Machine, Especially For Printed Circuit Boards Grant 3,663,114 - Welsh , et al. May 16, 1 | 1972-05-16 |
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