Granted Patent
Utility
US 5,226,906 · App. 07/654,711
Surgical speed wrench
Inventors:
John S. Crombie, Martin H. Krag
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Feb 13, 1991
Inventors
John S. Crombie
Martin H. Krag
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.