Granted Patent
Utility
US 6,274,191 · App. 08/206,973
Precise regulation of pyrocarbon coating
Inventor:
Michael R. Emken
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Mar 7, 1994
Inventor
Michael R. Emken
Assignee (at issue)
Medtronic, 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.