EP

Eugene B. Perrine

RI Rockwell International: 2 patents #464 of 2,155Top 25%
📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,367,754 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4365503 Apparatus for calibrating meter prover encoder William Wai Yan Ho, William F. Hall, Harry W. Fisher 1982-12-28
4347731 Control apparatus for meter prover Harry W. Fisher 1982-09-07