Granted Patent
Utility
US 4,738,175 · App. 06/813,121
Defect detection system
Inventors:
James Little, Dennis Cavin
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Dec 24, 1985
Inventors
James Little
Dennis Cavin
Assignee (at issue)
Simco/Ramic 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.