Granted Patent
Utility
US 4,378,499 · App. 06/249,559
Chemical conversion for ion mobility detectors using surface interactions
Inventors:
Glenn E. Spangler, Donald N. Campbell, Stanley Seeb
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: Mar 31, 1981
Inventors
Glenn E. Spangler
Donald N. Campbell
Stanley Seeb
Assignee (at issue)
Bendix 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.