Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490032 | Modulated light printing | Bonnie B. Baker, David D. Larson, Stanley T. Riddle | 1984-12-25 |
| 4421404 | Job recovery technique in a document copier machine | — | 1983-12-20 |
| 4335952 | Copy quality diagnostic procedure | David D. Larson, Stanley T. Riddle | 1982-06-22 |