Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722223 | Transverse vibration apparatus for grading wood panels | Andrew W. Porter | 1988-02-02 |
| 4675138 | Process for the manufacture of a corrugated wafer board panel | Eduard Stark | 1987-06-23 |
| 4616991 | Apparatus for the manufacture of a corrugated wafer board panel | Eduard Stark | 1986-10-14 |
| 4589288 | Static bending apparatus for grading wood panels | Andrew W. Porter | 1986-05-20 |