Granted Patent
Utility
US 4,668,023 · App. 06/764,162
Control valve for an anti-lock brake system
Inventors:
Peter Every, Edward Nelson Fuller, David T. Ayers
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Aug 9, 1985
Inventors
Peter Every
Edward Nelson Fuller
David T. Ayers
Assignee (at issue)
KELSEY-HAYES-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.