Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533059 | Vacuum-tamper indicating button for smaller diameter caps and the like | William J. Kapolas, Peter A. Vercillo, Daniel Dowling, Oscar N. Clifton, Ronald Gatz +6 more | 1985-08-06 |