Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8402276 | Creating and verifying electronic documents | Ryan R. Berringer, Richard S. Andrus | 2013-03-19 |
| 7523315 | Method and process for creating an electronically signed document | Richard S. Andrus | 2009-04-21 |
| 7069443 | Creating and verifying electronic documents | Ryan R. Berringer, Richard S. Andrus | 2006-06-27 |
| 6216130 | Geographic-based information technology management system | Steven Schimmelpfenning, Burk Royer | 2001-04-10 |