Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434400 | Method and apparatus for data communication using a multi-number mobile telephone | Michael Miller | 2002-08-13 |
| 5953650 | Portable-mobile radiotelephone architecture and method for mobile personal security systems | — | 1999-09-14 |
| 5543802 | Position/navigation device and method | Tom Tischhauser | 1996-08-06 |
| 5304935 | Load driver and system with fault detection apparatus for providing a sequence of fault detection logic states | William M. Rathke, William MCGRAW | 1994-04-19 |