Granted Patent
Utility
US 4,157,210 · App. 05/805,192
Traffic channeling device
Inventor:
James W. Mesman
Patented Case
View Patent ↗
Granted: Jun 5, 1979
Filed: Jun 9, 1977
Inventor
James W. Mesman
Assignee (at issue)
Olinkraft, 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.