Granted Patent
Utility
US 4,459,985 · App. 06/472,335
Tibial prosthesis extractor and method for extracting a tibial implant
Inventors:
William F. McKay, Peter B. Van Syckle
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Mar 4, 1983
Inventors
William F. McKay
Peter B. Van Syckle
Assignee (at issue)
Howmedica 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.