Leroy D. Gray

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming walls
- Patent number 5,558,823
- Issue date Sep 24, 1996
- Leroy D. Gray
- E04 - BUILDING
Information Patent Grant
Apparatus for forming walls
- Patent number 5,554,392
- Issue date Sep 10, 1996
- Leroy D. Gray
- E04 - BUILDING