Granted Patent
Utility
US 4,486,490 · App. 06/174,299
Electrically conductive prepreg materials
Inventors:
Gary L. Patz, Donald E. Davenport
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Jul 31, 1980
Inventors
Gary L. Patz
Donald E. Davenport
Assignee (at issue)
Hexcel Corporation
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.