Granted Patent
Utility
US 5,162,064 · App. 07/507,026
Permanent magnet having improved corrosion resistance and method for producing the same
Inventors:
Andrew S. Kim, Floyd E. Camp, Edward J. Dulis
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Apr 10, 1990
Inventors
Andrew S. Kim
Floyd E. Camp
Edward J. Dulis
Assignee (at issue)
Crucible Materials 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.