Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8320539 | Advanced payment for telephone services | Jason M. Ingalsbe, Kenneth A. Pierce, Mark R. Rissberger, Darren C. Smith | 2012-11-27 |
| 5842248 | Toothbrush with a catch basin and drain | Derrick K. Van Grol | 1998-12-01 |