Granted Patent
Utility
US 4,637,252 · App. 06/672,654
Test instrument
Inventors:
Chong-Kon Rhee, David M. McKibben, Jeffrey N. Bibbee
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Nov 19, 1984
Inventors
Chong-Kon Rhee
David M. McKibben
Jeffrey N. Bibbee
Assignee (at issue)
The Uniroyal Goodrich Tire Company
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.