Granted Patent
Utility
US 4,884,916 · App. 07/289,249
System for mounting a power transmission member to a shaft
Inventor:
Harold R. Johnson, III
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Dec 23, 1988
Inventor
Harold R. Johnson, III
Assignee (at issue)
Emerson Electric Co.
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.