Granted Patent
Utility
US 4,156,053 · App. 05/893,217
Method of making oxide dispersion strengthened powder
Inventor:
Sanford Baranow
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Apr 4, 1978
Inventor
Sanford Baranow
Assignee (at issue)
SPECIAL METALS 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.