Granted Patent
Utility
US 4,419,562 · App. 06/340,607
Nondestructive real-time method for monitoring the quality of a weld
Inventors:
Min-Chung Jon, Vito Palazzo
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Jan 19, 1982
Inventors
Min-Chung Jon
Vito Palazzo
Assignee (at issue)
Western Electric Company, Inc.
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.