Granted Patent
Utility
US 4,623,951 · App. 06/639,984
Electrically conductive composite structure
Inventors:
Preston S. DuPont, Robert E. Ritter, John P. Stafford
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Aug 13, 1984
Inventors
Preston S. DuPont
Robert E. Ritter
John P. Stafford
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.