Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D363205 | Handle | — | 1995-10-17 |
| 4869083 | Cylindrical lever handle lock | Paul DeMarseilles, David A. Sorensen | 1989-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D363205 | Handle | — | 1995-10-17 |
| 4869083 | Cylindrical lever handle lock | Paul DeMarseilles, David A. Sorensen | 1989-09-26 |