Granted Patent
Utility
US 6,345,870 · App. 09/428,933
Control valve for a hydraulic control unit
Inventors:
Herbert L. Linkner, Jr., Wendell D. Tackett
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Oct 28, 1999
Inventors
Herbert L. Linkner, Jr.
Wendell D. Tackett
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.