Granted Patent
Utility
US 4,200,939 · App. 05/843,754
Method for fixation of prostheses to bone
Inventor:
Zale Oser
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: Oct 19, 1977
Inventor
Zale Oser
Assignee (at issue)
Codman & Shurtleff, 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.