Granted Patent
Utility
US 4,419,705 · App. 06/259,706
Ferrite beveled core for magnetic head
Inventors:
Ralph D. Brower, Paul D. Losee
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: May 1, 1981
Inventors
Ralph D. Brower
Paul D. Losee
Assignee (at issue)
IO-Mega Holding 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.