Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986965 | Self defense cell phone with shocking circuitry | Mark W. Kroll | 2011-07-26 |
| 7805158 | Self defense cell phone with acceleration sensor and emergency call button | Mark W. Kroll | 2010-09-28 |
| 7483715 | Self defense cell phone with projectiles | Mark W. Kroll | 2009-01-27 |
| 7457636 | Self defense cellular telephone | Mark W. Kroll | 2008-11-25 |
| 6580908 | Generic number cellular telephone | Mark W. Kroll, Braden Kroll, Karl J. F. Kroll | 2003-06-17 |