RK

Richard D. Keller

HD Hi-Fold Door: 1 patents #1 of 1Top 100%
📍 Hastings, MN: #10 of 19 inventorsTop 55%
🗺 Minnesota: #1,525 of 4,860 inventorsTop 35%
Overall (2003): #134,677 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6547292 Over center door closing mechanism — 2003-04-15