Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442321 | Transparent dialing between interconnected telecommunication switching systems | — | 1984-04-10 |
| 4435620 | Dial pulse delay circuit | William Fechalos | 1984-03-06 |
| 4259549 | Dialed number to function translator for telecommunications switching system control complex | — | 1981-03-31 |
| 4256926 | Microprocessor control complex for a telecommunication switching system | Satyan G. Pitroda, William Fechalos | 1981-03-17 |