Granted Patent
Utility
US 4,339,066 · App. 06/137,709
Ultrasonic dip soldering process
Inventors:
Gerald N. Matthews, Frank H. Sanders
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Apr 7, 1980
Inventors
Gerald N. Matthews
Frank H. Sanders
Assignee (at issue)
General Electric Company
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.