Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803769 | Cable continuity test system | Jeffrey A. Deming, Donovan L. Isdahl | 2004-10-12 |
| 5907606 | Telephone-line powered coin telephone chassis | Michael A. Lynch | 1999-05-25 |
| 5802172 | Electronic lock for coin telephones | Henry L. Smith | 1998-09-01 |
| 5393235 | Telecommunications test adapter | — | 1995-02-28 |
| 5332397 | Test cord apparatus | — | 1994-07-26 |
| D341815 | Telecommunications test connector | Dennis C. Blood, Daryl Ingalsbe | 1993-11-30 |
| 5228072 | Multiwire-pair telecommunications test system | Daryl Ingalsbe, David W. Callahan, Jeffrey Wilson | 1993-07-13 |
| D335094 | Telecommunications cable tester | Daryl Ingalsbe | 1993-04-27 |
| D326443 | Adapter for telecommunications terminals | — | 1992-05-26 |
| D318431 | Telephone loop tester | Dennis C. Blood | 1991-07-23 |
| 4968260 | Bix block adapter | — | 1990-11-06 |
| 4925393 | 66 Block adapter | — | 1990-05-15 |
| 4912755 | Line current test device | Dennis C. Blood | 1990-03-27 |
| 4878848 | 110 Block adapter | — | 1989-11-07 |
| 4792016 | Ladder securing device | Daryl Ingalsbe, Arlen G. Bourn | 1988-12-20 |
| 4703497 | Four pair cable test set | — | 1987-10-27 |