DN

Darrell V. Nieschwitz

HP H-P Products: 1 patents #1 of 3Top 35%
📍 Louisville, OH: #1 of 6 inventorsTop 20%
🗺 Ohio: #1,540 of 5,372 inventorsTop 30%
Overall (2025): #410,384 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12256886 Vacuum inlet valve assembly with sliding pins Greg A. Calderone, Shawn C. Metz 2025-03-25