Granted Patent
Utility
US 6,546,754 · App. 09/698,415
Apparatus for silica crucible manufacture
Inventors:
Richard L. Hansen, Fred D'Orazio, Victor Lou, George Coleman
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Oct 27, 2000
Inventors
Richard L. Hansen
Fred D'Orazio
Victor Lou
George Coleman
Assignee (at issue)
General Electric Company
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.