David A. Berg

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Henderson, NV, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotatable building
- Patent number 7,536,831
- Issue date May 26, 2009
- 3sixty Technologies, LLC
- Frank W Ratliff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ROTATABLE BUILDING
- Publication number 20060201071
- Publication date Sep 14, 2006
- Albert E. Johnstone
- H01 - BASIC ELECTRIC ELEMENTS