Granted Patent
Utility
US 4,726,121 · App. 07/023,381
Surgical caliper
Inventors:
Charles D. Ray, Matthew L. Meyer
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Mar 9, 1987
Inventors
Charles D. Ray
Matthew L. Meyer
Assignee (at issue)
CeDaR Development Corp.
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.