Granted Patent
Utility
US 4,181,910 · App. 05/860,388
Portable radar-detecting receiver
Inventor:
Allan B. Hitterdal
Patented Case
View Patent ↗
Granted: Jan 1, 1980
Filed: Dec 14, 1977
Inventor
Allan B. Hitterdal
Assignee (at issue)
Northrop Corporation
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.