DH

Denis W. Heller

📍 Tualatin, OR: #3 of 16 inventorsTop 20%
🗺 Oregon: #179 of 893 inventorsTop 25%
Overall (1989): #120,924 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4885806 Face protective member for batter's helmets — 1989-12-12