Granted Patent
Utility
US 5,197,976 · App. 07/760,716
Manually separable multi-lumen vascular graft
Inventors:
Steve A. Herweck, Theodore Karwoski, Paul Martakos
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Sep 16, 1991
Inventors
Steve A. Herweck
Theodore Karwoski
Paul Martakos
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.