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William M. Del Zotto

Gladewater, TX: #1 of 2 inventorsTop 50%
Texas: #541 of 5,943 inventorsTop 10%
Overall (1997): #20,164 of 185,788Top 15%
2 Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D381666 Portable reduction grinder — 1997-07-29
5645234 Compact reduction grinder — 1997-07-08

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Willem den Hollander2
William A. Delmer2
Willem de Koning2
Willem G. L. de Jong2
Wiebe De Haan2