Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621201 | Automated purchasing control system | Stephen Langhans, Laurence M. Goodman | 1997-04-15 |
| 5500513 | Automated purchasing control system | Stephen Langhans, Laurence M. Goodman | 1996-03-19 |