Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019686 | Method and system for allowing simultaneous usage of prepaid services | Thomas Michael Bauer, Charles David Caldwell, Robert Sayko, Blake Lane Wattenbarger | 2011-09-13 |
| 7627529 | Method and system for allowing simultaneous usage of prepaid services | Thomas Michael Bauer, Charles David Caldwell, Robert Sayko, Blake Lane Wattenbarger | 2009-12-01 |
| 6069939 | Country-based language selection | Elizabeth Y. Fung, Shubert A. Hau, A. Helen McGrath, Christine Patricia Peterson | 2000-05-30 |
| 4480872 | Modified strip mining apparatus | — | 1984-11-06 |