DS

David Stewart

📍 Zephyr Cove, NV: #1 of 2 inventorsTop 50%
🗺 Nevada: #28 of 182 inventorsTop 20%
Overall (1989): #121,581 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4839601 Directional current finder Daniel E. C. Cotterell 1989-06-13