Granted Patent
Utility
US 5,527,005 · App. 08/339,763
Swing nose frog switch point adjuster
Inventor:
Leonard Wydotis
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Nov 15, 1994
Inventor
Leonard Wydotis
Assignee (at issue)
Union Switch & Signal, 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.