DB

Dewey D. Blocksma

📍 Holland, MI: #791 of 1,299 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,962,444 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4783121 Improved chair with convex upper backrest and forward seat surfaces Harley E. Luyk 1988-11-08