HS

Herman Douglas, Sr.

📍 Norristown, PA: #11 of 46 inventorsTop 25%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #143,860 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5664272 Auto control pillow for cars, vans, trucks and tractors — 1997-09-09