DH

Denis W. Heller

📍 Tualatin, OR: #209 of 324 inventorsTop 65%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #3,943,176 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

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