Henry R. Krepel

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Crystal Lake, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Snowplowable pavement marker using different materials
- Patent number 5,277,513
- Issue date Jan 11, 1994
- Stimsonite Corporation
- Robert M. Flanagan
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Self-righting highway marker support and method for installing same
- Patent number 4,729,690
- Issue date Mar 8, 1988
- Amerace Corporation
- Michael R. Lavender
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES