Granted Patent
Utility
US 4,002,829 · App. 05/501,638
Autosynchronous optical scanning and recording laser system with fiber optic light detection
Inventor:
John Grear Hutchison
Patented Case
View Patent ↗
Granted: Jan 11, 1977
Filed: Aug 29, 1974
Inventor
John Grear Hutchison
Assignee (at issue)
W. R. Grace & Co.
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.