Granted Patent
Utility
US 4,568,393 · App. 06/678,955
Carburized high chrome liner
Inventors:
Robert F. Kane, William D. Van Arnam, III
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Dec 6, 1984
Inventors
Robert F. Kane
William D. Van Arnam, III
Assignee (at issue)
TRW Limited
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.