Granted Patent
Utility
US 4,398,776 · App. 06/322,542
Roller bearing with annular retaining disks
Inventor:
Hans-Dieter Kutemeier
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Nov 18, 1981
Inventor
Hans-Dieter Kutemeier
Assignee (at issue)
Fag Kugelfischer Georg Shäfer AG
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.