Granted Patent
Utility
US 4,128,900 · App. 05/875,344
Programmable read only memory for electronic engine control
Inventor:
John P. Lappington
Patented Case
View Patent ↗
Granted: Dec 5, 1978
Filed: Feb 6, 1978
Inventor
John P. Lappington
Assignee (at issue)
Chrysler Group LLC
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.