EO

E. A. Ostrowski

TL The Singer Company Limited: 1 patents #229 of 510Top 45%
📍 Rantoul, IL: #192 of 340 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,082,892 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4248270 Reduced noise water valve provided with flow control — 1981-02-03