RK

Ron Keffer

Overall (All Time): #2,498,102 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11981590 Multiple chamber septic tank with a plurality of large and small access ports John R. Smith, Robert Horger, Andrew C. Middleton, Robin L. Weightman, Peter Goodale +1 more 2024-05-14