Granted Patent
Utility
US 5,252,144 · App. 07/787,495
Heat treatment process and soft magnetic alloys produced thereby
Inventor:
Ronald Martis
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Nov 4, 1991
Inventor
Ronald Martis
Assignee (at issue)
AlliedSignal, 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.