Granted Patent
Utility
US 4,433,894 · App. 06/320,331
Method and apparatus for generating optical scans
Inventors:
Derald F. Hanson, Randy J. Sherman
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Nov 12, 1981
Inventors
Derald F. Hanson
Randy J. Sherman
Assignee (at issue)
Lincoln Laser Company
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.