Granted Patent
Utility
US 4,475,101 · App. 06/464,025
Traffic control device
Inventors:
Jack H. Kulp, Richard M. Cunningham
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Feb 4, 1983
Inventors
Jack H. Kulp
Richard M. Cunningham
Assignee (at issue)
Lear Siegler, Inc.
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.