Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678484 | Anti-wrap device for a web press | Ronald Callan, Steven Drensky | 1997-10-21 |
| 5652388 | Apparatus and method for detecting printing press web breakage | Ronald Callan, Tat Luk, Gifford Neill | 1997-07-29 |