Granted Patent
Utility
US 6,342,688 · App. 09/590,873
Method for preparing iridium crucibles for crystal growth
Inventor:
John T. Israel
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Jun 9, 2000
Inventor
John T. Israel
Assignee (at issue)
CTI Consulting, LLC
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.