Granted Patent
Utility
US 3,970,974 · App. 05/463,782
Trimmer for a tuned UHF line
Inventor:
Elmer Bastian
Patented Case
View Patent ↗
Granted: Jul 20, 1976
Filed: Apr 24, 1974
Inventor
Elmer Bastian
Assignee (at issue)
Oak Industries 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.