Granted Patent
Utility
US 4,325,029 · App. 06/073,827
Alkali ionization detector
Inventors:
John Hrizo, James E. Bauerle, Robert Witkowski
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Sep 10, 1979
Inventors
John Hrizo
James E. Bauerle
Robert Witkowski
Assignee (at issue)
Westinghouse Electric Company LLC
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.