Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D437216 | Display package for lockset | Stanley E. Dunford, William E. Limmer, William H. Valls, Robert W. Wilson, Frank Sterpka +1 more | 2001-02-06 |
| D424427 | Display package for lockset | Stanley E. Dunford, William E. Limmer, William H. Valls, Robert W. Wilson, Frank Sterpka +1 more | 2000-05-09 |