Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320861 | Molded plastic tamper-proof cap with pull ring and tearable membranes | Kenneth L. Summers | 1982-03-23 |
| 4294382 | Container closure device | Kenneth L. Summers | 1981-10-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320861 | Molded plastic tamper-proof cap with pull ring and tearable membranes | Kenneth L. Summers | 1982-03-23 |
| 4294382 | Container closure device | Kenneth L. Summers | 1981-10-13 |