Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904863 | Process for etching trace side walls | Michael M. Hatfield | 1999-05-18 |
| 5232501 | Apparatus for processing printed circuit board substrates | Don P. Pender | 1993-08-03 |
| 5178759 | Filtration system to remove photoresist film particles | James Carter | 1993-01-12 |
| 4620894 | Apparatus for processing circuit board substrate | Don P. Pender | 1986-11-04 |
| 4269716 | Ion exchange separation method | — | 1981-05-26 |