Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493716 | Signage system with hidden attachment system | Lee S. Brown, Paul John Franklyn | 2009-02-24 |
| 7020975 | Plaque with alignment and attachment system for symbols | Sharon K. Ernst, Lee S. Brown | 2006-04-04 |