JB

John J. Barczynski

AM American Meter: 1 patents #15 of 28Top 55%
📍 Erie, PA: #632 of 1,097 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,664,423 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5970791 Rotary meter having flow conditioning chambers for pressure pulse reduction Steven L. Johnson 1999-10-26