Granted Patent
Utility
US 6,735,468 · App. 09/776,254
Arthroscopic impedance probe to detect cartilage degeneration
Inventors:
Steven Treppo, Alan Grodzinsky, Emerson Chueng Quan, Eliot Frank, David L. Bombard, David Breslau
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Feb 2, 2001
Inventors
Steven Treppo
Alan Grodzinsky
Emerson Chueng Quan
Eliot Frank
David L. Bombard
David Breslau
Assignee (at issue)
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
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.