Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687574 | System and method for surveying utility outages | Stanley Pietrowicz, Douglas C. Allport, Hamilton Rothrock | 2004-02-03 |
| 5995611 | Methods and apparatus for managing an in-band data transmission via a communications link shared by multiple terminals | Hala E. Mowafy, Stanley Pietrowicz | 1999-11-30 |
| 5635980 | System and method for customer premises broadband interface with on-hook alerting | Steve Lin, Barry K. Schwartz | 1997-06-03 |