Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860281 | Individual subchannel loopback in the PCM interfaces of a digital telephone exchange with control of the outbound path | Roger W. Finley, Barry D. Lubin | 1989-08-22 |
BB
Bruce A. Bergendahl
Overall (1989): #128,729 of 140,708Top 95%
1
Patents 1989