RB

Ronald W. T. Birchard

LA Lafarge: 1 patents #51 of 148Top 35%
📍 Beaconsfield, CA: #55 of 241 inventorsTop 25%
Overall (All Time): #1,271,719 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6357905 Apparatus for the blending of materials 2002-03-19
5806442 Apparatus for feeding solid wastes into a rotary kiln Ernie Aldred, Donald Courtney, Jacques Denizeau, Christian Gagnon, Jean-Claude Normandin 1998-09-15
5302119 Hot cement clinker cooler pocket grate A. J. Bartoletto 1994-04-12
4990124 Tuff-face drag chain link A. J. Bartoletto 1991-02-05