WB

William M. Blumthal

LC Liquid Carbonic: 1 patents #25 of 68Top 40%
PT Praxair Technology: 1 patents #513 of 918Top 60%
📍 Naperville, IL: #1,065 of 3,051 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,635,799 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5966946 Method and apparatus for retention of a refrigerant fluid in a refrigeration enclosure John M Girard, Gary D. Lang, Mark S. Nowotarski 1999-10-19
5444985 Cryogenic tunnel freezer Gary D. Lang, Walter C. Broderdorf 1995-08-29
4195591 Cascade assembly and method Kenneth R. Reick, Harold S. Hurwitz 1980-04-01