Granted Patent
Utility
US 5,942,291 · App. 08/976,849
Process for protecting roller bearings against corrosion
Inventor:
Karl Bywalez
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Nov 24, 1997
Inventor
Karl Bywalez
Assignee (at issue)
Fag Automobiltechnik 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.