Granted Patent
Utility
US 4,568,259 · App. 06/761,715
Tire mold
Inventor:
William F. Mattson
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Aug 2, 1985
Inventor
William F. Mattson
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.