Granted Patent
Utility
US 6,453,648 · App. 09/347,963
Method for manufacturing a heat generating apparatus
Inventors:
Jie Zhang, Hao Zhang, Larry Rigby, Wade Hull
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jul 6, 1999
Inventors
Jie Zhang
Hao Zhang
Larry Rigby
Wade Hull
Assignee (at issue)
ZARS, 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.