Granted Patent
Utility
US 6,162,172 · App. 09/016,489
Methods and apparatus for retracting tissue
Inventors:
Delos M. Cosgrove, Norma L. Lowe, Keith E. Myers, Richard Rhee
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Jan 30, 1998
Inventors
Delos M. Cosgrove
Norma L. Lowe
Keith E. Myers
Richard Rhee
Assignee (at issue)
Edwards Lifesciences 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.