Granted Patent
Utility
US 4,964,071 · App. 07/276,657
Methods and apparatus for measuring transverse dimensions of workpieces
Inventor:
Roger I. Grosvenor
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Nov 28, 1988
Inventor
Roger I. Grosvenor
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.