PC

Paul C. Cirignano

WC W.R. Grace & Co.-Conn.: 3 patents #242 of 1,045Top 25%
📍 Braintree, MA: #55 of 219 inventorsTop 30%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,625,025 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6309740 High temperature heat transfer barrier and vapor barrier and methods Larry S. Shu 2001-10-30
4989464 Method and apparatus for determining particle size distribution 1991-02-05
4957010 Method and apparatus for determining particle size distribution 1990-09-18