Granted Patent
Utility
US 4,398,972 · App. 06/262,602
Ferritic Fe-Ni magnetic alloys
Inventors:
Chester M. Bordelon, Gilbert Y. Chin, Sungho Jin, Richard C. Sherwood, Jack H. Wernick
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: May 11, 1981
Inventors
Chester M. Bordelon
Gilbert Y. Chin
Sungho Jin
Richard C. Sherwood
Jack H. Wernick
Assignee (at issue)
Bell Telephone Laboratories, 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.