Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098517 | Baths and process for chemical polishing of copper or copper alloy surfaces | Daniel Tytgat | 1992-03-24 |
| 4981553 | Copper etching bath and method of using | Daniel Tytgat | 1991-01-01 |