SL

Sheng-Chung Liao

MC Mine Safety Appliances Company: 1 patents #104 of 243Top 45%
📍 Murrysville, PA: #353 of 521 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,060,995 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D271432 Dust filtering respirator John W. Neidhart 1983-11-15