DB

Douglas F. Benneyworth

KM Koch Material: 1 patents #8 of 15Top 55%
📍 Heathfield, GB: #55 of 121 inventorsTop 50%
Overall (All Time): #3,878,776 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5024554 Bridge joint construction Richard Baker 1991-06-18