Granted Patent
Utility
US 4,661,874 · App. 06/616,554
Low friction cleaner for magnetic transducer head
Inventors:
G. Thomas Buehl, Leemer Cernohlavek
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jun 1, 1984
Inventors
G. Thomas Buehl
Leemer Cernohlavek
Assignee (at issue)
International Jensen Incorporated
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.