Granted Patent
Utility
US 4,031,940 · App. 05/551,769
Pneumatic tire
Inventors:
Donald R. Bartley, Robert F. Jones
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Feb 21, 1975
Inventors
Donald R. Bartley
Robert F. Jones
Assignee (at issue)
B. F. Goodrich 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.