Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9104924 | Temperature tracking device and method using same | T. Randall Lane, Dean Brotzel | 2015-08-11 |
| 7004319 | Light string storage device and turntable | Roy F. Knight, Beverly Jane Knight, R. Michael Ruckel | 2006-02-28 |
| 6793141 | Credit card | — | 2004-09-21 |
| 6790378 | Coating composition having magnetic properties | Daniel F. Peters, Charles E. Adams, Ricky L. Helton | 2004-09-14 |
| 6625267 | Billing system | Tony Xu, David M. Tumey | 2003-09-23 |
| 6044138 | Billing system | Tony Xu, David M. Tumey | 2000-03-28 |
| 5841847 | Billing system | David M. Tumey | 1998-11-24 |