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Andrew P. Dretzka

HA Harnischfeger: 2 patents #3 of 12Top 25%
📍 New Berlin, WI: #4 of 24 inventorsTop 20%
🗺 Wisconsin: #201 of 2,194 inventorsTop 10%
Overall (1997): #45,832 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5636460 Dragline with cantilevered side-access dump block — 1997-06-10
5590968 Bearing retainer assembly — 1997-01-07