Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9334662 | Multi-directional reinforcing drywall tape | David L. Spanton, James Griffin, Francis P. Dibley | 2016-05-10 |
| 8795808 | Multi-directional reinforcing drywall tape | David L. Spanton, James Griffin, Francis P. Dibley | 2014-08-05 |