Granted Patent
Utility
US 4,741,621 · App. 06/897,473
Geometric surface inspection system with dual overlap light stripe generator
Inventors:
Jeffrey D. Taft, James F. Ellison
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Aug 18, 1986
Inventors
Jeffrey D. Taft
James F. Ellison
Assignee (at issue)
Westinghouse Electric Company LLC
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.