Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5995611 | Methods and apparatus for managing an in-band data transmission via a communications link shared by multiple terminals | Stanley Pietrowicz, Frederick Link | 1999-11-30 |
| 5519774 | Method and system for detecting at a selected station an alerting signal in the presence of speech | Ralph N. Battista, James R. Bress, Stanley Pietrowicz | 1996-05-21 |