Steve D. Witcher

Follow

Person

Petaluma, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dry-stack masonry system
- Patent number 8,201,376
- Issue date Jun 19, 2012
- Steve D. Witcher
- E04 - BUILDING
Information Patent Grant
Two unit dry stack masonry wall system
- Patent number 6,205,735
- Issue date Mar 27, 2001
- Steve D. Witcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
DRY-STACK MASONRY SYSTEM
- Publication number 20110047921
- Publication date Mar 3, 2011
- Steve D. Witcher
- E04 - BUILDING