HW

Harry F. White

SP Spirex: 1 patents #8 of 10Top 80%
Overall (All Time): #3,694,207 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5798077 Screw for plasticating apparatus and method of use Timothy W. Womer, Paul N. Colby 1998-08-25