Granted Patent
Utility
US 4,768,700 · App. 07/086,940
Diffusion bonding method
Inventor:
Yu-Lin Chen
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Aug 17, 1987
Inventor
Yu-Lin Chen
Assignee (at issue)
General Motors LLC
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.