Granted Patent
Utility
US 4,231,671 · App. 05/958,458
Eccentric shaft and method of making a shaft
Inventor:
James E. Makins, Jr.
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Nov 6, 1978
Inventor
James E. Makins, Jr.
Assignee (at issue)
United States Steel 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.