DD

Douglas C. DeVries

HM Hyde Manufacturing: 1 patents #10 of 20Top 50%
Overall (All Time): #4,016,901 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4524514 Combination of a tool and a hollow tool sectional handle David H. Mallalieu, Samuel N. Apostola 1985-06-25