DH

Duane O. Hall

📍 Sandy, UT: #7 of 33 inventorsTop 25%
🗺 Utah: #87 of 504 inventorsTop 20%
Overall (1989): #118,676 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848347 Interferential electrical current therapy systems and methods — 1989-07-18