Granted Patent
Utility
US 4,362,935 · App. 06/188,594
Field portable element analysis unit
Inventor:
Benton C. Clark, III
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Sep 18, 1980
Inventor
Benton C. Clark, III
Assignee (at issue)
LOCKHEED MARTIN 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.