Granted Patent
Utility
US 4,861,973 · App. 07/064,317
Optical scan pattern generating arrangement for a laser scanner
Inventors:
Ronald A. Hellekson, John Campbell, Jorge L. Acosta
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Jun 18, 1987
Inventors
Ronald A. Hellekson
John Campbell
Jorge L. Acosta
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.