DI

Darryl R. Immel

HA Harnischfeger: 5 patents #5 of 121Top 5%
📍 Waterford, WI: #33 of 111 inventorsTop 30%
🗺 Wisconsin: #9,054 of 40,088 inventorsTop 25%
Overall (All Time): #1,052,429 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5752334 Dumping system for a dragline bucket 1998-05-19
5657559 Rigging assembly for an excavating bucket 1997-08-19
5577858 Pin-retaining structure and method for retaining a pin Rikos A. Kasim 1996-11-26
5435084 Apparatus and method for attaching a digging tooth tip 1995-07-25
5410826 Assembly and method for tooth tip retention Andrew P. Dretzka, Harvey J. Kallenberger 1995-05-02