Granted Patent
Utility
US 4,603,664 · App. 06/703,544
Magnetic structure for use in a chain saw or edge trimmer ignition system or the like
Inventor:
Robert V. Jackson
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Feb 20, 1985
Inventor
Robert V. Jackson
Assignee (at issue)
McCulloch 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.