Granted Patent
Utility
US 4,312,590 · App. 05/941,763
Optical scanner and system for laser beam exposure of photo surfaces
Inventor:
Steven K. Harbaugh
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Sep 13, 1978
Inventor
Steven K. Harbaugh
Assignee (at issue)
Eocom Corporation
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.