Inventor

BUTLER STEVEN ROY

FR4 patents

⚠️ This page may combine multiple inventors who share the name “BUTLER STEVEN ROY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LAFARGE PLATRES

2 patents

US7700505B2Apr 20, 2010

Gypsum board and systems comprising it

LAFARGE PLATRES21 citations89

US7332114B2Feb 19, 2008

Process for manufacturing sound absorbing cement tile

LAFARGE PLATRES0 citations36

RIGAUDON MICHEL

2 patents

US8119207B2Feb 21, 2012

Process and apparatus for manufacturing set cellular cement

RIGAUDON MICHEL17 citations86

US8517594B2Aug 27, 2013

Apparatus for manufacturing set cellular cement

RIGAUDON MICHEL2 citations56