Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444140 | Micro-etch solution for producing metal surface topography | John Schemenaur, Todd Johnson | 2002-09-03 |
| 6117250 | Thiazole and thiocarbamide based chemicals for use with oxidative etchant solutions | John Schemenaur, Lee Ellershaw, Todd Johnson | 2000-09-12 |