Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009977 | Method and system for expanding services in a digital loop carrier system | LuJack Ewell, Randy Holzworth | 2006-03-07 |
| 5970136 | IDSN capacity expansion for remote terminal sites | David B. Milliron, Joseph F. Zimmerman | 1999-10-19 |
| 5802168 | ISDN capacity expansion for remote terminal sites | David B. Milliron, Joseph F. Zimmerman | 1998-09-01 |
| 5040657 | Apparatus for coin sorting and counting | William L. Gunn, William D. Heath, Jr. | 1991-08-20 |
| 4963118 | Method and apparatus for coin sorting and counting | William L. Gunn, William D. Heath, Jr. | 1990-10-16 |
| 4898564 | Apparatus for coin sorting and counting | William L. Gunn, William D. Heath, Jr. | 1990-02-06 |
| 4839905 | Multirate automatic equalizer | — | 1989-06-13 |
| 4745624 | Automatic line buildout | Larry D. Bishop | 1988-05-17 |
| 4648124 | Apparatus for locating passive intermodulation interference sources | Hugh W. Denny, Walter B. Warren | 1987-03-03 |