KH

Katherine J. Helmstadter

📍 Wilmington, DE: #2,050 of 3,182 inventorsTop 65%
🗺 Delaware: #4,431 of 7,163 inventorsTop 65%
Overall (All Time): #4,085,504 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D258476 Adjustable wall rack for holding hair treating devices Nancy J. Gilboy, John Joseph Walsh, IV 1981-03-10