KR

Kristen A. Ridderheim

📍 Huntertown, IN: #47 of 78 inventorsTop 65%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,911,208 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4955870 Hypodermic syringe with retractable needle V. Widadi Sudharto, Alice F. Ridderheim 1990-09-11