Michael Riehm

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Materials for travelled surfaces
- Patent number 8,221,831
- Issue date Jul 17, 2012
- Envirobond Products Corporation
- Michael Riehm
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Materials for Travelled Surfaces
- Publication number 20110064872
- Publication date Mar 17, 2011
- ENVIROBOND PRODUCTS CORPORATION
- Michael Riehm
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES