Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959223 | Energy-dissipation system | Andrew Marsden, Ward Fritz, Walter S. Bezaniuk, Langley Joe | 2011-06-14 |
| 7278515 | Foldable scaffold | Paul F. Meyers | 2007-10-09 |
| 6039149 | Collapsible step stool with step movement guide system | Abdelkrim Bedja, Raymond P. King | 2000-03-21 |
| 5832548 | Snap-in frame connector | Jerry R. Smith | 1998-11-10 |
| 5803645 | Spindle guide | Jerry R. Smith, William Horton | 1998-09-08 |