RP

Ray P. Powers

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #4,017,378 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4526318 Proportional fluid exchanger and recirculator Ted D. Fleming, Dan A. Koch, Francis R. McGill, Roy H. Michaelsen 1985-07-02