DR

David H. Roper

📍 Santa Monica, CA: #45 of 157 inventorsTop 30%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #161,667 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5681279 Pill dispensing syringe Cathy M. Roper 1997-10-28