Barsellotti; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barsellotti; John A..The latest application filed is for "communications switching system".
- Barsellotti; John A. - Kanata CA
- Barsellotti; John A. - Guelph CA
| Patent | Date |
|---|---|
| Communications switching system Grant 4,791,639 - Afheldt , et al. December 13, 1 | 1988-12-13 |
| Telephone line status circuit Grant 4,734,933 - Barsellotti , et al. March 29, 1 | 1988-03-29 |
| Two wire voice and data subscriber loop Grant 4,608,686 - Barsellotti August 26, 1 | 1986-08-26 |
| Voice and data interface circuit Grant 4,604,741 - Barsellotti August 5, 1 | 1986-08-05 |
| Control circuit for telephone subscriber station Grant 4,221,935 - Barsellotti , et al. September 9, 1 | 1980-09-09 |
| Key telephone system using time division and space division control Grant 3,935,396 - Barsellotti , et al. January 27, 1 | 1976-01-27 |
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