Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740933 | Child proof container cap designed for manipulation by arthritic fingers | Don F. Yeager | 1998-04-21 |
| 5423441 | Closure system for a container and cap | — | 1995-06-13 |
| 4993571 | Tamper-evident cap | — | 1991-02-19 |
| 4806301 | Process of removing a plastic cap from a mold | — | 1989-02-21 |
| 4618121 | Mold for forming plastic cap with perforation about the periphery of the skirt | — | 1986-10-21 |
| 4555039 | Pilfer-proof cap | — | 1985-11-26 |
| 4534479 | Tamper evident container closure | — | 1985-08-13 |
| 4461392 | Threaded plastic bottle cap | — | 1984-07-24 |
| 4387818 | Snap-on tamper-proof closure | — | 1983-06-14 |
| 4322012 | Threaded plastic bottle cap | — | 1982-03-30 |