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Richard L. Mogel
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Santa Rosa, CA, US
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last 30 patents
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Patent Grant
Apparatus for slip form production of prestressed concrete railroad...
Patent number
5,820,887
Issue date
Oct 13, 1998
Richard L. Mogel
B28 - WORKING CEMENT, CLAY, OR STONE
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Patent Grant
Process for slip form production of prestressed concrete railroad ties
Patent number
5,618,476
Issue date
Apr 8, 1997
Richard L. Mogel
B28 - WORKING CEMENT, CLAY, OR STONE