DC

David A Crown

📍 Waconia, MN: #9 of 24 inventorsTop 40%
🗺 Minnesota: #1,731 of 5,562 inventorsTop 35%
Overall (2025): #414,651 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE50337 Hydraulic leveraged overhead door assembly Phillip A. Crown 2025-03-18