DW

David Winfrey

📍 Kansas City, MO: #3 of 57 inventorsTop 6%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #143,297 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5367350 Overhead projector illustration slate — 1994-11-22