Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6873846 | Extending a location based telephone call from a wireless telephone set using a generic routing list | Eugene Gerber, Michael Joseph Meyer | 2005-03-29 | $14,472,000 |
| 6256489 | Enhanced emergency service for | Joseph James Lichter, Michael Joseph Meyer | 2001-07-03 | $17,854,000 |
| 6101240 | Arrangement for public safety answering points | Mark Richard Blair, Eugene Gerber, Mark Miller, Christopher Fairol Robbins, Donald Robert Ziemann | 2000-08-08 | $63,224,000 |
| 5404350 | Routing calls destined for inaccessible destinations | Nicholas DeVito, William Hagerman | 1995-04-04 |