AA

Alvin Arnold

📍 Humeston, IA: #2 of 2 inventorsTop 100%
🗺 Iowa: #89 of 549 inventorsTop 20%
Overall (1989): #134,174 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4873819 Grass trimmer Charles C. Shivers 1989-10-17