Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5863306 | Production of patterned abrasive surfaces | Paul Wei, Gwo S. Swei, Wenliang Yang | 1999-01-26 |
| 5840088 | Rotogravure process for production of patterned abrasive surfaces | Wenliang Yang, Gwo S. Swei, Paul Wei | 1998-11-24 |
| 5833724 | Structured abrasives with adhered functional powders | Paul Wei, Gwo S. Swei, Wenliang Yang | 1998-11-10 |