Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451977 | Document stacker apparatus and method of stacking documents | Fredrik L. N. Kallin, Frank B. Dunn, David W. Norris, Anthony Roy Dunn, William Cramer +2 more | 2008-11-18 |
| 7229071 | Document stacker apparatus and method of stacking documents | Fredrik L. N. Kallin, Frank B. Dunn, David W. Norris, Anthony Roy Dunn, William Cramer +2 more | 2007-06-12 |