Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909231 | Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods | Arvid Neil Arvidson, Michael Molnar, Chris Schmidt, Roger Dale Spencer, Jr. | 2018-03-06 |
| 8926749 | Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods | Arvid Neil Arvidson, Michael Molnar, Chris Schmidt, Roger Dale Spencer, Jr. | 2015-01-06 |
| 8021483 | Flowable chips and methods for the preparation and use of same, and apparatus for use in the methods | Arvid Neil Arvidson, Michael Molnar, Chris Schmidt, Roger Dale Spencer, Jr. | 2011-09-20 |
| 7270706 | Roll crusher to produce high purity polycrystalline silicon chips | Douglas Andrejewski, Thomas Dubay, Roger Dale Spencer, Jr. | 2007-09-18 |
| 7080742 | Method and apparatus for improving silicon processing efficiency | Arvid Neil Arvidson, Todd Graham, Kathryn Elizabeth Messner, Chris Schmidt | 2006-07-25 |
| 6874713 | Method and apparatus for improving silicon processing efficiency | Arvid Neil Arvidson, Todd Graham, Kathryn Elizabeth Messner, Chris Schmidt | 2005-04-05 |