Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105404 | Squiggle keys and cylinder locks for squiggle keys | Andrew Perkins | 2000-08-22 |
| 5943890 | Cylinder lock and key assembly and hierarchical system therefor | Stan J. Sussina | 1999-08-31 |
| 4636412 | Enema bag | — | 1987-01-13 |