Granted Patent
Utility
US 4,427,241 · App. 06/340,264
Composite bearing races and process for producing the same
Inventor:
Chester F. Jatczak
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Jan 18, 1982
Inventor
Chester F. Jatczak
Assignee (at issue)
THE TIMKEN COMPANY
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.