DB

David A. Brownell

📍 Ferndale, MI: #1 of 4 inventorsTop 25%
🗺 Michigan: #60 of 1,972 inventorsTop 4%
Overall (1982): #5,415 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4327487 Wood cutter 1982-05-04
4321291 Decorative butterfly and method of construction 1982-03-23
4319941 Decorative butterfly and method of construction 1982-03-16