Granted Patent
Utility
US 4,311,909 · App. 06/171,366
Geiger-Mueller tube coincidence loss correction circuit
Inventors:
George R. Utting, Scott M. Graham
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Jul 23, 1980
Inventors
George R. Utting
Scott M. Graham
Assignee (at issue)
Victoreen, Inc.
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.