Railways – Track layers – Distributers
Reexamination Certificate
2008-03-20
2008-10-21
Le, Mark T (Department: 3617)
Railways
Track layers
Distributers
C104S002000, C104S005000
Reexamination Certificate
active
07437997
ABSTRACT:
A method of efficiently delivering replacement railway ties for use in replacing ties that have deteriorated. GPS technology is used to obtain the GPS location of each tie that needs to be replaced. A tie train carrying replacement ties has a GPS monitor so that one or more ties can be unloaded at or near the location of each tie that requires replacement. A tie replacement crew can use a GPS monitor to locate each tie that requires replacement, and the crew can remove those ties and install a nearby replacement tie.
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Bedingfield Stephen L.
Beers Timothy M.
Bounds Ivan E.
Herzog Stanley M.
Kneib Joseph A.
Herzog Contracting Corp.
Husch Blackwell Sanders LLP
Le Mark T
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