Granted Patent
Utility
US 5,779,728 · App. 08/583,563
Method and inflatable chamber apparatus for separating layers of tissue
Inventors:
John P. Lunsford, Charles Gresl, Jeffrey A. Smith, Daniel T. Wallace, Albert K. Chin
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Jan 5, 1996
Inventors
John P. Lunsford
Charles Gresl
Jeffrey A. Smith
Daniel T. Wallace
Albert K. Chin
Assignee (at issue)
Origin Medsystems, 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.