Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421149 | Process for preparation of long wood strands | Derek Barnes, Mark T. Churchland, James K. Welsh | 1983-12-20 |
| 4371020 | Three-step process for preparation of long wood strands | Derek Barnes, Mark T. Churchland, Walter W. Schilling, James K. Welsh | 1983-02-01 |