Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881892 | Apparatus for making tamper-evident closures | Christian J. John | 1989-11-21 |
| 4878589 | Linerless cap closure | Christian J. John | 1989-11-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881892 | Apparatus for making tamper-evident closures | Christian J. John | 1989-11-21 |
| 4878589 | Linerless cap closure | Christian J. John | 1989-11-07 |