Granted Patent
Utility
US 5,509,749 · App. 08/313,931
Compression lower preloaded ball joint
Inventors:
Charles D. Eifert, Patrick H. Fullenkamp, Douglas Brademeyer
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Sep 28, 1994
Inventors
Charles D. Eifert
Patrick H. Fullenkamp
Douglas Brademeyer
Assignee (at issue)
General Motors LLC
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.