Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7068861 | Device and method for inspecting markings | Mark R. Swanson, Donald K. Zahrte, Sr. | 2006-06-27 |
| 6736319 | Optical mark reader | Mark R. Swanson | 2004-05-18 |
| 6695216 | Data processing form for use with a scanning apparatus | — | 2004-02-24 |
| 6079624 | Data processing form using a scanning apparatus | Courtland G. Beck | 2000-06-27 |