Granted Patent
Utility
US 4,608,319 · App. 06/649,070
Extended surface area amorphous metallic material
Inventors:
Gerald A. Croopnick, David M. Scruggs
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Sep 10, 1984
Inventors
Gerald A. Croopnick
David M. Scruggs
Assignee (at issue)
Dresser Industries, 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.