Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396760 | Telescoping flush handle for lift and slide doors | Jim Roberts, John Griep, Jeff Ashford | 2022-07-26 |
| 10166837 | Idle reduction system | Gary F. Krofchalk, Ann Renner | 2019-01-01 |
| 5251313 | Method of bit rate adaption using the ECMA 102 protocol | John Spenik, Greig R. Detering | 1993-10-05 |
| 5226121 | Method of bit rate de-adaption using the ECMA 102 protocol | John Spenik, Greig R. Detering | 1993-07-06 |
| 5214650 | Simultaneous voice and data system using the existing two-wire inter-face | Kuang-Cheng Hu, Han Kem, John Stewart Young | 1993-05-25 |
| 5140616 | Network independent clocking circuit which allows a synchronous master to be connected to a circuit switched data adapter | — | 1992-08-18 |
| 4862076 | Test point adapter for chip carrier sockets | David A. Kutz | 1989-08-29 |
| 4835767 | Additive PCM speaker circuit for a time shared conference arrangement | — | 1989-05-30 |
| 4757494 | Method for generating additive combinations of PCM voice samples | — | 1988-07-12 |
| 4754454 | Synchronization circuitry for duplex digital span equipment | Kevin Williams | 1988-06-28 |
| 4740960 | Synchronization arrangement for time multiplexed data scanning circuitry | — | 1988-04-26 |
| 4740961 | Frame checking arrangement for duplex time multiplexed reframing circuitry | — | 1988-04-26 |
| 4580243 | Circuit for duplex synchronization of asynchronous signals | Thomas J. Perry | 1986-04-01 |
| 4569017 | Duplex central processing unit synchronization circuit | Thomas J. Perry | 1986-02-04 |
| 4532624 | Parity checking arrangement for a remote switching unit network | — | 1985-07-30 |
| 4514842 | T-S-T-S-T Digital switching network | — | 1985-04-30 |
| 4509169 | Dual rail network for a remote switching unit | — | 1985-04-02 |
| 4509168 | Digital remote switching unit | — | 1985-04-02 |
| 4466092 | Test data insertion arrangement for a conference circuit | — | 1984-08-14 |
| 4466093 | Time shared conference arrangement | — | 1984-08-14 |
| 4466094 | Data capture arrangement for a conference circuit | — | 1984-08-14 |