Granted Patent
Utility
US 4,333,215 · App. 06/049,102
Bearing material and method of making
Inventor:
Lee A. Swanger
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Jun 18, 1979
Inventor
Lee A. Swanger
Assignee (at issue)
Gould 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.