Granted Patent
Utility
US 4,390,784 · App. 06/229,480
One piece ion accelerator for ion mobility detector cells
Inventors:
David R. Browning, Gordon R. Sima, Jr., John Schmidt, David W. Sickenberger
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Jan 29, 1981
Inventors
David R. Browning
Gordon R. Sima, Jr.
John Schmidt
David W. Sickenberger
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.