DH

Derek W. Hillyard

Overall (All Time): #4,004,591 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4621405 Drive mechanism for the main spindle of a rotating tool turret machine Peter H. Cook 1986-11-11