Granted Patent
Utility
US 6,300,734 · App. 09/490,306
Motor control apparatus for a railway switch machine
Inventors:
Raymond C. Franke, Robert P. Bozio, Leonard Wydotis
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Jan 24, 2000
Inventors
Raymond C. Franke
Robert P. Bozio
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.