Granted Patent
Utility
US 4,556,903 · App. 06/563,482
Inspection scanning system
Inventors:
Frank H. Blitchington, David Haught
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Dec 20, 1983
Inventors
Frank H. Blitchington
David Haught
Assignee (at issue)
AT&T Technologies Incorporated
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.