Stephen M. Christensen

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Leesburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spring biased apparatus for maintaining precast panels in a stable...
- Patent number 5,540,027
- Issue date Jul 30, 1996
- The Reinforced Earth Company
- Stephen M. Christensen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Spring biased apparatus for maintaining precast panels in a stable...
- Patent number 5,467,567
- Issue date Nov 21, 1995
- The Reinforced Earth Company
- Stephen M. Christensen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES