Granted Patent
Utility
US 4,769,916 · App. 07/107,186
Device for measuring the periphery of an object
Inventors:
Leonard P. Wilbur, Jr., William S. Ambler
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Oct 13, 1987
Inventors
Leonard P. Wilbur, Jr.
William S. Ambler
Assignee (at issue)
RCA Licensing Corporation
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.