Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925171 | Sorter/stapler with horizontal bin opening | William E. Kramer, Terrence D. Charland, William R. Burger, Barry P. Mandel | 1990-05-15 |
| 4838497 | Apparatus for automatically rolling up media sheets | William E. Kramer, Michael J. Tracy | 1989-06-13 |
| 4785325 | Adjustable speed control for a document imaging system | William E. Kramer | 1988-11-15 |