Richard Hack — 1 Patent

MAMarley Tile Ag: 1 patents #5 of 10Top 50%

Sidcup, GB: #24 of 43 inventorsTop 60%

Overall (All Time): #3,976,632 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4673659	Lightweight concrete roof tiles	John W. Wood	1987-06-16