Granted Patent
Utility
US 4,293,371 · App. 06/134,640
Method of making magnetic film-substrate composites
Inventors:
Milan Kokta, Roger W. Taylor
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Mar 27, 1980
Inventors
Milan Kokta
Roger W. Taylor
Assignee (at issue)
Union Carbide 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.