WS

William E. Sikkenga

HO Howmet: 1 patents #5 of 27Top 20%
📍 Hillsdale, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #51,231 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5296308 Investment casting using core with integral wall thickness control means Charles F. Caccavale 1994-03-22