Stefan T. Pendrick

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Hammond, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Rail cant measurement tool and method
- Patent number 9,303,364
- Issue date Apr 5, 2016
- Holland, L.P.
- Robert N. Madderom
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Rail cant measurement tool and method
- Patent number 8,844,149
- Issue date Sep 30, 2014
- Holland, L.P.
- Robert N. Madderom
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Railroad car truck spring jack
- Patent number 5,791,033
- Issue date Aug 11, 1998
- Holland Company
- Robert V. Norby
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Track strength testing vehicle with a loaded gage axle and loaded g...
- Patent number 5,756,903
- Issue date May 26, 1998
- Holland Company
- Robert V. Norby
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Rail Cant Measurement Tool and Method
- Publication number 20140325857
- Publication date Nov 6, 2014
- Robert N. Madderom
- B61 - RAILWAYS
Information Patent Application
Rail Cant Measurement Tool and Method
- Publication number 20130061482
- Publication date Mar 14, 2013
- Robert N. Madderom
- B61 - RAILWAYS