Granted Patent
Utility
US 4,508,397 · App. 06/491,889
Anti-friction bearing with assembly feature
Inventors:
Heinrich Hofmann, Dieter Treutlein
Patented Case
View Patent ↗
Granted: Apr 2, 1985
Filed: May 5, 1983
Inventors
Heinrich Hofmann
Dieter Treutlein
Assignee (at issue)
FAG Kugelfischer Georg Schafer Kommanditgesellschaft auf Aktien
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.