RR

R. Lee Roberts

RD Roberts Marketing De: 2 patents #1 of 3Top 35%
📍 Rose Valley, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #1,013 of 7,031 inventorsTop 15%
Overall (2016): #107,147 of 481,213Top 25%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9517947 Apparatus for filtering water or wastewater — 2016-12-13
9468869 Method for washing a filter for filtering water or wastewater — 2016-10-18