Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856665 | Tamper evident closure with hook-like locking tabs | Duane H. Lewis | 1989-08-15 |
| 4844272 | Closure system with extendable tamper band bonded to container | — | 1989-07-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856665 | Tamper evident closure with hook-like locking tabs | Duane H. Lewis | 1989-08-15 |
| 4844272 | Closure system with extendable tamper band bonded to container | — | 1989-07-04 |