Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322282 | Apparatus and process for transporting lithographic plates to a press cylinder | William J. Campbell | 2012-12-04 |
| 7621219 | Method and apparatus for registration of an imaged lithographic plate | William J. Campbell, Joseph A. Stein | 2009-11-24 |
| 7610855 | Apparatus and process for transporting lithographic plates to a press cylinder | William J. Campbell | 2009-11-03 |
| 6475280 | Coating machine for applying and drying photosensitive emulsion on a plastic film | William J. Campbell | 2002-11-05 |
| 6252653 | Rotary thermal desensitizer of developer for photosensitive copy sheet material | William J. Campbell | 2001-06-26 |
| 5970774 | Apparatus and method for corner cutting and edge bending of lithographic plates | William J. Campbell, Mark Palmer | 1999-10-26 |