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Vernon J. Krupa

ED Extrusion Dies: 7 patents #1 of 11Top 10%
📍 Chippewa Falls, WI: #43 of 216 inventorsTop 20%
🗺 Wisconsin: #6,850 of 40,088 inventorsTop 20%
Overall (All Time): #759,848 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6367776 Flow control device and apparatus for mounting same Harry G. Lippert, John A. Ulcej 2002-04-09
6109592 Flow control device and apparatus for mounting same Harry G. Lippert, John A. Ulcej 2000-08-29
5962041 Dual flexible lip extrusion apparatus John W. Ryan, Gregory M. Wilson, Donald R. Garton, Harry G. Lippert 1999-10-05
5770240 Extrusion die for rigid foam sheet 1998-06-23
5679383 Dual flexible lip extrusion apparatus John W. Ryan, Gregory M. Wilson, Donald R. Garton, Harry G. Lippert 1997-10-21
5618568 Dual-chamber vacuum box Jeffrey M. Seckora, Brian M. Pitsch 1997-04-08
5375990 Feed block for coextrusion apparatus Harry G. Lippert, Donald R. Garton 1994-12-27