Granted Patent
Utility
US 4,301,039 · App. 06/130,968
Method of making a metal catalyst support
Inventor:
William B. Retallick
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Mar 17, 1980
Inventor
William B. Retallick
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.