Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917506 | Interlocking closure device having controlled separation and improved ease of occlusion | — | 1990-04-17 |
| 4859259 | Process and apparatus for reclosable container stock | — | 1989-08-22 |
| 4795269 | Controlled separation characteristics of interlocking closure fastening devices | — | 1989-01-03 |
| 4747702 | Interlocking closure device having controlled separation and improved ease of occlusion | — | 1988-05-31 |
| 4676851 | Process and apparatus for forming integral interlocking closure film stock | Robert T. Dorsey, James D. Engle, William E. Henderson, deceased | 1987-06-30 |
| 4363345 | Reclosable container | — | 1982-12-14 |