Darryl R. Montgomery

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Hilliard, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Transverse-mounted slurry sealant box assembly
- Patent number 4,954,010
- Issue date Sep 4, 1990
- Darryl R. Montgomery
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Mobile asphalt crack sealant apparatus
- Patent number 4,887,908
- Issue date Dec 19, 1989
- Darryl R. Montgomery
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES