Granted Patent
Utility
US 4,844,551 · App. 07/077,683
Wheel trim for automotive vehicle
Inventor:
Heinrich J. Hempelmann
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Jul 24, 1987
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.