Granted Patent
Utility
US 4,746,283 · App. 07/032,547
Head tooling parison adapter plates
Inventor:
Gerald R. Hobson
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Apr 1, 1987
Inventor
Gerald R. Hobson
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.