Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11043149 | Readily reversible highway sign | — | 2021-06-22 |
| 9573310 | Method for making a durable wood-plastic composite panel upon which plastic films may be readily and securely adhered | — | 2017-02-21 |
| 7914275 | Apparatus for making high density wood and plastic composites | — | 2011-03-29 |
| 6632387 | Method for making wood and plastic composite material | James H. Muehl | 2003-10-14 |
| 6586504 | Wood and plastic composite material and methods for making same | James H. Muehl | 2003-07-01 |
| 4655435 | Cattle guard | Daniel R. Joseph | 1987-04-07 |