LH

Leonard J. Hvizdos

Air Products And Chemicals: 3 patents #609 of 1,997Top 35%
📍 Emmaus, PA: #144 of 365 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,684,336 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4320627 Apparatus for recovering natural gas in a mine — 1982-03-23
4271676 Method and apparatus for recovering natural gas in a mine — 1981-06-09
4202678 Air separation liquefaction process — 1980-05-13