Douglas L. Graham

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Auburn, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Building structure and method of construction
- Patent number 4,486,993
- Issue date Dec 11, 1984
- Solarcrete Corporation
- Douglas L. Graham
- E04 - BUILDING
Information Patent Grant
Flowable material pump apparatus
- Patent number 4,185,924
- Issue date Jan 29, 1980
- Solarcrete Corporation
- Douglas L. Graham
- E04 - BUILDING
Information Patent Grant
Building structure and method of construction
- Patent number 4,179,858
- Issue date Dec 25, 1979
- Douglas L. Graham
- E04 - BUILDING