Nyal E. Nelson

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Herndon, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Environmentally adaptable roof structure
- Patent number 4,489,531
- Issue date Dec 25, 1984
- The United States of America as represented by the Secretary of the Army
- Nyal E. Nelson
- E04 - BUILDING
Information Patent Grant
Environmentally adaptable roof structure
- Patent number 4,397,126
- Issue date Aug 9, 1983
- Nyal E. Nelson
- E04 - BUILDING