RZ

Robert R. Ziemer

BE Betzdearborn: 2 patents #68 of 202Top 35%
📍 Gwynedd Valley, PA: #18 of 33 inventorsTop 55%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,226,987 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6238557 Injection quill for water treatment Anthony M. Rossi 2001-05-29
6165372 Injection quill for water treatment Anthony M. Rossi 2000-12-26