Granted Patent
Utility
US 4,155,340 · App. 05/781,743
Solid state ignition system
Inventors:
James F. Fernquist, James C. Byrne
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Mar 28, 1977
Inventors
James F. Fernquist
James C. Byrne
Assignee (at issue)
Gulf Eastern Manufacturing 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.