DH

Donald L. Hoffman

📍 Portland, OR: #65 of 245 inventorsTop 30%
🗺 Oregon: #204 of 1,007 inventorsTop 25%
Overall (1994): #141,233 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5353378 Sound and light emitting face apparel Neil Cohen 1994-10-04