Granted Patent
Utility
US 5,669,934 · App. 08/461,228
Methods for joining tissue by applying radiofrequency energy to performed collagen films and sheets
Inventor:
Philip N. Sawyer
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jun 5, 1995
Inventor
Philip N. Sawyer
Assignee (at issue)
Fusion Medical Technologies, 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.