JZ

John M. Zalas

LO Lord: 2 patents #150 of 448Top 35%
📍 Erie, PA: #423 of 1,097 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,355,883 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4562589 Active attenuation of noise in a closed structure Glenn E. Warnaka 1985-12-31
4301890 Sound-absorbing panel — 1981-11-24