Granted Patent
Utility
US 4,471,023 · App. 06/480,028
Enhancement coating and process for carbonaceous substrates
Inventor:
David M. Shuford
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 29, 1983
Inventor
David M. Shuford
Assignee (at issue)
LTV Aerospace and Defense 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.