Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863030 | Press-on, twist-off plastisol-lined metal closure | John W. Bayer, Zbigniew Swierczek | 1989-09-05 |
| 4721219 | Composite, vacuum indicating closure | William E. Fillmore | 1988-01-26 |
| 4549667 | Tamper indicating package | — | 1985-10-29 |