Granted Patent
Utility
US 4,737,200 · App. 06/932,124
Method of manufacturing brazable super alloys
Inventor:
Robert B. Herchenroeder
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Nov 18, 1986
Inventor
Robert B. Herchenroeder
Assignee (at issue)
Haynes International, 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.