HJ

Howard Percival Johnson, Jr.

📍 Upper Marlboro, MD: #1 of 10 inventorsTop 10%
🗺 Maryland: #540 of 2,377 inventorsTop 25%
Overall (2004): #206,913 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D496888 Anti-rattle cover for a trailer ball — 2004-10-05