Granted Patent
Utility
US 6,475,244 · App. 09/788,035
Tunneling device
Inventors:
Steve A. Herweck, David Cross
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Feb 16, 2001
Inventors
Steve A. Herweck
David Cross
Assignee (at issue)
ATRIUM MEDICAL CORPORATION
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.