Granted Patent
Utility
US 5,156,588 · App. 07/647,228
External fixation system for the neck
Inventors:
Benjamin F. Marcune, Lisa Tweardy
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jan 4, 1991
Inventors
Benjamin F. Marcune
Lisa Tweardy
Assignee (at issue)
The Jerome Group
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.