Granted Patent
Utility
US 6,770,135 · App. 10/324,998
Method and apparatus for producing large, single-crystals of aluminum nitride
Inventors:
Leo J. Schowalter, Glen A. Slack, J. Carlos Rojo
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Dec 20, 2002
Inventors
Leo J. Schowalter
Glen A. Slack
J. Carlos Rojo
Assignee (at issue)
CRYSTAL IS, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.