Granted Patent
Utility
US 4,524,079 · App. 06/550,894
Deactivation of microorganisms by an oscillating magnetic field
Inventor:
Gunter A. Hofmann
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Nov 10, 1983
Inventor
Gunter A. Hofmann
Assignee (at issue)
Maxwell Laboratories, 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.