Granted Patent
Utility
US 4,192,011 · App. 05/900,143
Magnetic domain packaging
Inventors:
Paul V. Cooper, Steven J. Adamson
Patented Case
View Patent ↗
Granted: Mar 4, 1980
Filed: Apr 26, 1978
Inventors
Paul V. Cooper
Steven J. Adamson
Assignee (at issue)
Plessey Handel Und Investments AG
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.