DH

Derek R. Hutchins

📍 Summerhill, GB: #5 of 11 inventorsTop 50%
Overall (All Time): #3,967,449 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4640052 Hinge bolt set Alan R Zebedee 1987-02-03