Granted Patent
Utility
US 4,771,237 · App. 06/831,745
Method and apparatus for calibrating a displacement probe using a polynomial equation to generate a displacement look-up table
Inventor:
Clifton George Daley
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Feb 19, 1986
Inventor
Clifton George Daley
Assignee (at issue)
Panametrics, 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.