Granted Patent
Utility
US 4,943,121 · App. 07/145,513
Wheel trim
Inventor:
Heinrich J. Hempelmann
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Jan 19, 1988
Inventor
Heinrich J. Hempelmann
Assignee (at issue)
NI Industries, 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.