Granted Patent
Utility
US 6,575,921 · App. 09/780,202
Device for heart measurement
Inventors:
John C. Vanden Hoek, Jody Rivers
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Feb 9, 2001
Inventors
John C. Vanden Hoek
Jody Rivers
Assignee (at issue)
Acorn Cardiovascular, 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.