Don T. Sherwood

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a modular building block unit and construc...
- Patent number 6,298,632
- Issue date Oct 9, 2001
- Don T. Sherwood
- E04 - BUILDING
Information Patent Grant
Building block unit and method of manufacturing same
- Patent number 5,715,635
- Issue date Feb 10, 1998
- Don T. Sherwood
- E04 - BUILDING