DB

David F. Birch

📍 Minneapolis, MN: #83 of 305 inventorsTop 30%
🗺 Minnesota: #1,168 of 4,231 inventorsTop 30%
Overall (2005): #219,044 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6908009 Handheld apparatus for semi-automatically feeding and inserting members into Braille signs Reuven Rahamim 2005-06-21