Granted Patent
Utility
US 4,336,785 · App. 06/144,520
Magneto ignition with field-responsive biasing
Inventor:
Richard D. Newberry
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Apr 28, 1980
Inventor
Richard D. Newberry
Assignee (at issue)
Eltra 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.