Membership
Tour
Register
Log in
Frederick Earl Woodlief
Follow
Person
Lexington, SC, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Point detector sleeve for railroad switch machine and associated me...
Patent number
6,474,605
Issue date
Nov 5, 2002
Union Switch & Signal, Inc.
Leonard M. Wydotis
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
RAILROAD CROSSING GATE HAVING A UNIVERSAL CROSSING GATE ARM WITH A...
Publication number
20080093509
Publication date
Apr 24, 2008
Union Switch & Signal, Inc.
Frederick Earl Woodlief
B61 - RAILWAYS