Granted Patent
Utility
US 4,406,543 · App. 06/284,366
High contrast flatness interferometer
Inventors:
Michael H. Nemiroff, Chris Bowman
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jul 17, 1981
Inventors
Michael H. Nemiroff
Chris Bowman
Assignee (at issue)
Burroughs, 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.