DK

David J. Klee

Air Products And Chemicals: 2 patents #28 of 175Top 20%
📍 Emmaus, PA: #4 of 25 inventorsTop 20%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #29,505 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4866946 Spiral cryogenic freezer — 1989-09-19
4800728 Method and apparatus for gas flow control in a cryogenic freezer — 1989-01-31