DI

David John Gretka, II

DA Dadco: 2 patents #3 of 11Top 30%
📍 Dearborn, MI: #622 of 1,494 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,757,825 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11959556 Pressure relief valve assembly — 2024-04-16
10864610 Swarf container filler and method Hans E. Wichmann, Carleton D. Hall 2020-12-15