Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418921 | Method and apparatus for cutting workpieces | Frederick Schmid, Maynard B. Smith | 2002-07-16 |
| 6368403 | Method and apparatus for purifying silicon | Frederick Schmid, David B. Joyce | 2002-04-09 |