Granted Patent
Utility
US 4,326,902 · App. 06/158,931
Method for ultrasonically welding composite structures
Inventor:
Gerald D. Peddie
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Jun 12, 1980
Inventor
Gerald D. Peddie
Assignee (at issue)
General Dynamics Corporation, Convair Division
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.