Granted Patent
Utility
US 5,372,297 · App. 08/056,186
Drum cathode for use in the production of metal foils and a method of producing the same
Inventors:
Adam G. Bay, Jamie H. Chamberlain, Shiuh-Kao Chiang
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: May 3, 1993
Inventors
Adam G. Bay
Jamie H. Chamberlain
Shiuh-Kao Chiang
Assignee (at issue)
Gould Electronics 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.