Granted Patent
Utility
US 4,462,685 · App. 06/240,542
Spectroanalytical system
Inventors:
Stanley Benjamin Smith, Gary M. Hieftje
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Mar 4, 1981
Inventors
Stanley Benjamin Smith
Gary M. Hieftje
Assignee (at issue)
Instrumentation Laboratory 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.