Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021332 | Multi-mode radiotelephone having a multiple battery arrangement | William P. Alberth, Jr., Michael Frenzer | 2000-02-01 |
| 5737685 | Co-located subscriber unit to subscriber unit communication within a satellite communication system | Robert J. Locascio, Michael Frenzer, Michael P. Gaynor, Christopher Neil Kurby | 1998-04-07 |
| 5426825 | Device and method for flexibly attaching a pager | Leonid Soren, Shrirang Jambhekar, Albert L. Nagele, Michael Frenzer | 1995-06-27 |
| 5396643 | Geographic-area selective low-earth satellite-based paging broadcast system and method | Michael Frenzer, Robert J. Locascio, Dwight D. Walthers, Martin Seitz, Christopher Neil Kurby | 1995-03-07 |