Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406005 | Dual rail time control unit for a T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelt | 1983-09-20 |
| 4402077 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelte | 1983-08-30 |
| 4399369 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelte | 1983-08-16 |
| 4399533 | Dual rail time and control unit for a T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelte | 1983-08-16 |
| 4399534 | Dual rail time and control unit for a duplex T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelte | 1983-08-16 |
| 4392223 | Dual rail time and control unit for a T-S-T-digital switching system | Nathaniel Simmons, Stig E. Magnusson, Sergio E. Puccini, David J. Stelte | 1983-07-05 |
| 4308472 | Clock check circuit | — | 1981-12-29 |
| 4274155 | Multiport conference circuit with multi-frame summing and voice level coding | Tim Funderburk | 1981-06-16 |
| 4257120 | Multiport conference circuit with multi-frame summing | Tim Funderburk | 1981-03-17 |
| 4254497 | Multiport conference circuit with voice level coding | Tim Funderburk | 1981-03-03 |
| 4201893 | Private automatic branch exchange telephone system with two data sources sharing a multiplexed data bus | — | 1980-05-06 |
| 4201894 | Arrangement for conversion of random to fixed data channel format | — | 1980-05-06 |
| 4191857 | Digital trunk supervisory decoder multiplexor for ground start or E&M signalling on a common T1 span | Julius Jusinskas, Jr. | 1980-03-04 |