DR

Donald W. Rieffel

📍 Tucson, AZ: #24 of 186 inventorsTop 15%
🗺 Arizona: #166 of 945 inventorsTop 20%
Overall (1989): #119,078 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4821431 Sandal with contained granular material to provide a pad for a person's foot 1989-04-18