Denis Hamel

TR Transpave: 4 patents #2 of 23Top 9%

OC Oldcastle Building Products Canada: 1 patents #17 of 29Top 60%

Overall (All Time): #1,010,671 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
8844228	Dry-cast concrete block	—	2014-09-30
7850393	Dry-cast concrete block	—	2010-12-14
D577130	Dry-cast concrete block	—	2008-09-16
7410328	Concrete block system	—	2008-08-12
D553759	Dry-cast concrete block	—	2007-10-23