Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749692 | Fastener with polymer-coated shank | Frederick A. Kish, Lawrence S. Shelton | 1998-05-12 |
| 5642974 | Fastener and building assembly comprising workpiece, substrate, and fastener | William L. Gabriel, Lawrence S. Shelton, Henry A. Sygnator | 1997-07-01 |
| 5489179 | Fastener and building assembly comprising workpiece, substrate, and fastener | William L. Gabriel, Lawrence S. Shelton, Henry A. Sygnator | 1996-02-06 |