Granted Patent
Utility
US 4,630,601 · App. 06/493,887
Bone nail for the treatment of fractures
Inventors:
Hans E. Harder, Hermann Kramer
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: May 12, 1983
Inventors
Hans E. Harder
Hermann Kramer
Assignee (at issue)
Howmedica International 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.