SM

Sarah C. McElfresh

📍 Wayne, PA: #311 of 493 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,001,427 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D285497 Disposable protective mask — 1986-09-02