Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596015 | Failure detection apparatus for use with digital pads | John L. Clements | 1986-06-17 |
| 4569043 | Arrangement for interfacing the space stage to the time stages of a T-S-T digital switching system | Nathaniel Simmons, Sergio E. Puccini, Kamal I. Parikh | 1986-02-04 |
| 4524441 | Modular space stage arrangement for a T-S-T digital switching system | Nathaniel Simmons, Sergio E. Puccini, Kamal I. Parikh | 1985-06-18 |
| 4524442 | Modularly expandable space stage for a T-S-T digital switching system | Nathaniel Simmons, Sergio E. Puccini, Kanal I. Parikh | 1985-06-18 |
| 4520478 | Space stage arrangement for a T-S-T digital switching system | Nathaniel Simmons, Sergio E. Puccini, Kamal I. Parikh | 1985-05-28 |
| 4480330 | Arrangement for digital tone distribution | Sergio E. Puccini, Kamal I. Parikh | 1984-10-30 |
| 4413335 | Fault recovery apparatus for a PCM switching network | John L. Clements | 1983-11-01 |
| 4406005 | Dual rail time control unit for a T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelt | 1983-09-20 |
| 4402077 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelte | 1983-08-30 |
| 4399369 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelte | 1983-08-16 |
| 4399533 | Dual rail time and control unit for a T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelte | 1983-08-16 |
| 4399534 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelte | 1983-08-16 |
| 4392223 | Dual rail time and control unit for a T-S-T-digital switching system | Nathaniel Simmons, Sergio E. Puccini, Donald W. McLaughlin, David J. Stelte | 1983-07-05 |