Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888096 | Roll press for removing water from a web of paper using solid grooved roll and compressed air | Wavell Fredrick Cowan | 1989-12-19 |
| 4323426 | Crafted paper making machine | Wavell Fredrick Cowan, Marshall S. Green, deceased | 1982-04-06 |
| 4219949 | Picture frame | — | 1980-09-02 |