Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403799 | Flush hasp having foldable, upstanding latching portion, and optionally usable with padlock | Charles F. Kafka | 1983-09-13 |
| 4354445 | Retractable lift ring | Charles F. Kafka | 1982-10-19 |
| 4316626 | Flush hasp having dependent latching portion, and optionally usable with padlock | Charles F. Kafka | 1982-02-23 |
| 4270478 | Disappearing cleat or fitting | Charles F. Kafka | 1981-06-02 |