| 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 |