Susan G. Ehrlich

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous-based waterproofing primer system and method
- Patent number 5,270,373
- Issue date Dec 14, 1993
- W. R. Grace & Co.-Conn.
- Robert A. Wiercinski
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Waterproofing system for water-penetrable construction surfaces
- Patent number 5,145,748
- Issue date Sep 8, 1992
- W. R. Grace & Co.-Conn.
- James M. Gaidis
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES