DS

Douglas F. Silk

HH Hengestone Holdings: 1 patents #1 of 2Top 50%
📍 Whitby, CA: #5 of 11 inventorsTop 50%
Overall (2003): #233,883 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6565062 Apparatus for the splitting of cast concrete dual blocks Terry P. Steeves 2003-05-20