Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40492 | Power line telephony exchange | — | 2008-09-09 |
| 7170395 | Method and apparatus for attaching power line communications to customer premises | Ralph E. Crenshaw, L. Peter Larson, Andrew Pozsgay | 2007-01-30 |
| 7091831 | Method and apparatus for attaching power line communications to customer premises | Ralph E. Crenshaw, L. Peter Larson, Andrew Pozsgay | 2006-08-15 |
| 6975212 | Method and apparatus for attaching power line communications to customer premises | Ralph E. Crenshaw, L. Peter Larson | 2005-12-13 |
| 6668058 | Power line telephony exchange | — | 2003-12-23 |