DH

David Hartwanger

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 East London, ZA: #3 of 16 inventorsTop 20%
Overall (All Time): #3,231,761 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8319154 Self-heating fluid container Jim Shaikh, Mike Watkinson 2012-11-27