Granted Patent
Utility
US 4,891,688 · App. 07/146,634
Very high-acceleration tolerant circuit card packaging structure
Inventor:
Ernest P. Longerich
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Jan 21, 1988
Inventor
Ernest P. Longerich
Assignee (at issue)
Hughes Aircraft 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.