Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876863 | System for protecting AMPS data using CDPD channel | Martin Schroeder, Michael L. Lubin | 2005-04-05 |
| 6463271 | Portable radio telephone data terminal using cdpd | Martin Schroeder, Michael L. Lubin | 2002-10-08 |