Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611630 | Method and apparatus for securely printing a postal indicia image having a different dot density in two dimensions thereof | Donald T. Dolan, Beth A. Jennings, Charles F. Murphy, III | 1997-03-18 |