Granted Patent
Utility
US 4,975,133 · App. 07/159,439
Apparatus for welding components together with the use of ultrasound
Inventor:
Hans Gochermann
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Feb 18, 1988
Inventor
Hans Gochermann
Assignee (at issue)
Licentia Patent-Verwaltungs-GmbH
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.