AC

Andrew N. Czerpak

UM United Mcgill: 1 patents #4 of 18Top 25%
📍 Erie, PA: #632 of 1,097 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,239,587 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D631901 Portable apparatus for determining leaks in air ducts Patrick Brooks, Shawn Fortner 2011-02-01