Granted Patent
Utility
US 5,111,575 · App. 07/315,389
Swaging tool for bearing installation
Inventors:
Mark R. Grunze, Robert E. Franzen
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Feb 24, 1989
Inventors
Mark R. Grunze
Robert E. Franzen
Assignee (at issue)
REXNORD GMBH
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.