Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325690 | Lock adjustable to operate with different keys | Richard S. Adler, Karl D. Kirk, III, John Milich, Gerard M. Perichon | 1994-07-05 |
| 4850210 | Lock adjustable to operate with different keys | Richard S. Adler | 1989-07-25 |