Granted Patent
Utility
US 5,344,238 · App. 07/992,994
Ball bearing assembly
Inventor:
Jaques L. Roch
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Dec 18, 1992
Inventor
Jaques L. Roch
Assignee (at issue)
Electroglas, 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.