Granted Patent
Utility
US 4,943,178 · App. 06/860,928
Mounting structure for rotating bodies
Inventor:
Richard Weinstein
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: May 8, 1986
Inventor
Richard Weinstein
Assignee (at issue)
ILLINOIS TOOL WORKS INC.
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.