Paul C. Cirignano

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Braintree, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature heat transfer barrier and vapor barrier and methods
- Patent number 6,309,740
- Issue date Oct 30, 2001
- W. R. Grace & Co.-Conn.
- Larry S. Shu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for determining particle size distribution
- Patent number 4,989,464
- Issue date Feb 5, 1991
- W. R. Grace & Co.-Conn.
- Paul C. Cirignano
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Method and apparatus for determining particle size distribution
- Patent number 4,957,010
- Issue date Sep 18, 1990
- W. R. Grace & Co.-Conn.
- Paul C. Cirignano
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING