Granted Patent
Utility
US 4,296,187 · App. 06/159,266
Integrated carbon/insulator structure and method for fabricating same
Inventors:
John E. Barnes, Franz Goebel, William T. McHugh
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Jun 13, 1980
Inventors
John E. Barnes
Franz Goebel
William T. McHugh
Assignee (at issue)
GTE Products 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.