Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578250 | Method for constructing a sign frame assembly | John D. Boyer, Ronald W. Makstaller | 2003-06-17 |
| 6370802 | Back-lit fascia with spring loaded fascia tensioner | John D. Boyer, Ronald W. Makstaller, S. Frank Gessner, William R. Wedding | 2002-04-16 |