Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546434 | High-temperature process improvements using helium under regulated pressure | Frederick Schmid, John Brouillette, Daniel P. Betty, Ryan Philpott | 2017-01-17 |
| 9377912 | Mobile electronic device comprising a modified sapphire | John Q. Dumm, James M. Zahler | 2016-06-28 |
| 8329133 | Method and apparatus for refining metallurgical grade silicon to produce solar grade silicon | Frederick Schmid | 2012-12-11 |
| 8177910 | System and method for crystal growing | Frederick Schmid, Chandra P. Khattak | 2012-05-15 |
| 7918936 | System and method for crystal growing | Frederick Schmid, Chandra P. Khattak | 2011-04-05 |
| 7344596 | System and method for crystal growing | Frederick Schmid, Chandra P. Khattak | 2008-03-18 |
| 6368403 | Method and apparatus for purifying silicon | Frederick Schmid, Chandra P. Khattak | 2002-04-09 |
| 4472610 | Keyboards incorporating keys pivotable against biased detent means to operate electrical switches | Maurice D. Fuller | 1984-09-18 |