Granted Patent
Utility
US 4,342,491 · App. 06/133,515
Self-lubricating journal bearing
Inventors:
Warren E. Jamison, Raymond C. Pennington
Patented Case
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Granted: Aug 3, 1982
Filed: Mar 24, 1980
Inventors
Warren E. Jamison
Raymond C. Pennington
Assignee (at issue)
Projected Lubricants, 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.