Granted Patent
Utility
US 4,358,046 · App. 05/778,623
Oriented graphite layer and formation
Inventors:
Clifford M. Detz, John Bernard Lightstone
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Mar 17, 1977
Inventors
Clifford M. Detz
John Bernard Lightstone
Assignee (at issue)
Union Carbide 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.