SE

Stephen M. Engel

📍 Columbia, MD: #11 of 55 inventorsTop 20%
🗺 Maryland: #225 of 1,164 inventorsTop 20%
Overall (1989): #55,656 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4798916 Safety plate for electrical outlet Wallace W. Weiger 1989-01-17