Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7748098 | Method of testing a seal | Joseph P. Hayes, William D. Brennan | 2010-07-06 |
| 5209795 | Method of forming a seal removal tab on a collapsible tube | Richard F. DeRosa | 1993-05-11 |
| 4938818 | Method of forming a seal | Henry S. Dzedzej, Richard F. DeRosa | 1990-07-03 |