Granted Patent
Utility
US 5,479,011 · App. 08/164,300
Variable focus optical system for data reading
Inventors:
Robert W. Rudeen, Thomas C. Arends
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Dec 7, 1993
Inventors
Robert W. Rudeen
Thomas C. Arends
Assignee (at issue)
Spectra-Physics Scanning Systems, 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.