Granted Patent
Utility
US 4,620,533 · App. 06/776,259
External bone fixation apparatus
Inventor:
Dana Mears
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Sep 16, 1985
Inventor
Dana Mears
Assignee (at issue)
Pfizer Hospital Products Group, 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.