Granted Patent
Utility
US 4,361,900 · App. 06/208,549
Radiation monitoring device
Inventor:
Melvin P. Siedband
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Nov 20, 1980
Inventor
Melvin P. Siedband
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.