DB

Douglas J. Brenna

📍 Eagan, MN: #16 of 55 inventorsTop 30%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #52,036 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5673491 Crane level indicator device Shirley A. Brenna 1997-10-07