ER

Edward W. Rowland-Hill

SP Sperry: 1 patents #355 of 841Top 45%
SR Sperry Rand: 1 patents #22 of 84Top 30%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,369,326 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4249543 Rotor access module — 1981-02-10
4208858 Isolated pneumatic cleaning system — 1980-06-24