Granted Patent
Utility
US 4,417,543 · App. 06/287,023
Apparatus for individually encapsulating magnetic particles
Inventor:
Lawrence L. Lee
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Jul 27, 1981
Inventor
Lawrence L. Lee
Assignee (at issue)
Magnavox Government and Industrial Electronics Company
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.