Steve L. Jantzen

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Jerseyville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Mold assembly for pre-stressed concrete railroad ties
- Patent number 4,812,113
- Issue date Mar 14, 1989
- Steven L. Jantzen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Manufacture of pre-stressed concrete railroad ties
- Patent number 4,773,840
- Issue date Sep 27, 1988
- Steven L. Jantzen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Prestressed concrete cross tie having increased fatigue life
- Patent number 4,712,735
- Issue date Dec 15, 1987
- Jantzen; Steve L.
- Steven L. Jantzen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Lightweight low profile floor structure
- Publication number 20080202056
- Publication date Aug 28, 2008
- Steve L. Jantzen
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Mini container handling unit
- Publication number 20070175677
- Publication date Aug 2, 2007
- Steve L. Jantzen
- B61 - RAILWAYS