Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8521613 | Expense tracking, electronic ordering, invoice presentment, and payment system and method | William C. Erbey, Russell G. Bulman, Robert J. Leist, Mary K. Edgecomb, Donald Vetal +6 more | 2013-08-27 |
| 8005730 | Expense tracking, electronic ordering, invoice presentment, and payment system and method | William C. Erbey, Russell G. Bulman, Robert J. Leist, Mary K. Edgecomb, Donald Vetal +6 more | 2011-08-23 |
| 7412418 | Expense tracking, electronic ordering, invoice presentment, and payment system and method | William C. Erbey, Russell G. Bulman, Robert J. Leist, Mary K. Edgecomb, Donald Vetal +6 more | 2008-08-12 |