Granted Patent
Utility
US 4,933,539 · App. 07/142,083
Graphic scanning aids for a laser scanner
Inventors:
Brian S. Stewart, Eleanor J. Fulton, Nicolas N. Tabet
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Jan 11, 1988
Inventors
Brian S. Stewart
Eleanor J. Fulton
Nicolas N. Tabet
Assignee (at issue)
Spectra-Physics, 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.