Michael B. Allen

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Stockton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for impressing patterns in a slip-formed concr...
- Patent number 6,923,630
- Issue date Aug 2, 2005
- Slipstone, Inc.
- Michael B. Allen
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for impressing patterns in a slip-formed concr...
- Publication number 20050238745
- Publication date Oct 27, 2005
- Michael B. Allen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Apparatus and method for impressing patterns in a slip-formed concr...
- Publication number 20030020191
- Publication date Jan 30, 2003
- Michael B. Allen
- B28 - WORKING CEMENT, CLAY, OR STONE