Granted Patent
Utility
US 4,094,279 · App. 05/684,250
Ductile iron roller tappet body and method for making same
Inventor:
Kenneth E. Kueny
Patented Case
View Patent ↗
Granted: Jun 13, 1978
Filed: May 7, 1976
Inventor
Kenneth E. Kueny
Assignee (at issue)
Johnson Products Div. of Sealed Power Corporation
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.