Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683820 | Hardened and fire retardant products | W. Dale Ellis, Roger M. Rowell | 1997-11-04 |
| 5649873 | Golf culb with filler material in the head | — | 1997-07-22 |
| 5609915 | Hardened and fire retardant wood products | W. Dale Ellis, Roger M. Rowell | 1997-03-11 |
| 5605767 | Hardened and fire retardant wood products | W. Dale Ellis, Roger M. Rowell | 1997-02-25 |