Granted Patent
Utility
US 6,565,594 · App. 08/937,083
Tunneling device
Inventors:
Steve A. Herweck, David Cross
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Sep 24, 1997
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.