Granted Patent
Utility
US 5,404,826 · App. 08/084,286
Bearing adapter for railway trucks having downward depending ends on adapter plate for protecting the adapter thrust lugs
Inventors:
John W. Rudibaugh, Charles L. Van Auken
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jun 28, 1993
Inventors
John W. Rudibaugh
Charles L. Van Auken
Assignee (at issue)
Pennsy Corporation
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.