Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451115 | Wood particle/resin etc. tumbler-blender | — | 2002-09-17 |
| 6251495 | Low emissivity products and methods for making same | Yi Pygn Fang | 2001-06-26 |
| 4453886 | Centrifugal venturi | — | 1984-06-12 |