Granted Patent
Utility
US 4,344,074 · App. 06/250,510
Magnetic field producing apparatus
Inventors:
Richard P. Strosser, Mark K. Chow, Carl E. Bohman
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Apr 2, 1981
Inventors
Richard P. Strosser
Mark K. Chow
Carl E. Bohman
Assignee (at issue)
Sperry Corp.
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.