Granted Patent
Utility
US 4,613,367 · App. 06/744,627
Low carbon plus nitrogen, free-machining austenitic stainless steel
Inventors:
John J. Eckenrod, Kenneth E. Pinnow, Geoffrey O. Rhodes, William E. Royer
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Jun 14, 1985
Inventors
John J. Eckenrod
Kenneth E. Pinnow
Geoffrey O. Rhodes
William E. Royer
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.