Granted Patent
Utility
US 6,361,543 · App. 08/828,751
Inflatable devices for separating layers of tissue, and methods of using
Inventors:
Albert K. Chin, Jeffrey A. Smith, John P. Lunsford, Frederic H. Moll
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Mar 18, 1997
Inventors
Albert K. Chin
Jeffrey A. Smith
John P. Lunsford
Frederic H. Moll
Assignee (at issue)
SHERWOOD SERVICES AG
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.