RK

Robert Jeffrey Kupferberg

📍 Hampstead, CA: #1 of 11 inventorsTop 10%
Overall (2019): #126,664 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10495370 Cooling coil drain pan 2019-12-03
10422126 Compression seal groove connector 2019-09-24