Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590338 | Auxiliary chamber | William C. Fritz, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple | 2003-07-08 |
| 6541912 | Auxiliary chamber and display device with improved contaminant removal | William C. Fritz, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple, Christopher J. Curtin +4 more | 2003-04-01 |