DG

Dimitrios E. Grivas

📍 Chicago, IL: #3,897 of 13,327 inventorsTop 30%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,563,745 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8020306 Non-marring high-precision marking and measuring tool Armenac Daniel 2011-09-20
5517982 Portable device for providing air to those trapped within a burning building 1996-05-21
5507283 System for providing air to those trapped within a burning building 1996-04-16