DA

Dean D. Alexander

📍 Yorba Linda, CA: #279 of 818 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,669,249 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4978304 Training aid for shoelace tying 1990-12-18
4842522 Training shoelace James S. Stanfield 1989-06-27
4721468 Training shoelace James S. Stanfield 1988-01-26