Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687479 | Paper input guide for a transfer zone in a xerographic printing apparatus | Gerardo Leute, John W. D. Cooper, Stan Alan Spencer, Roger D. Masham, Derek J. Milton +12 more | 2004-02-03 |
| 5111246 | Electrostatographic machine | Robert A. Carter, Edward J. Gutman, Don B. Jugle, Roger D. Masham | 1992-05-05 |