EE

Ervin C. Engehardt

📍 Lodi, CA: #2 of 8 inventorsTop 25%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #16,678 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321768 Educationally correlative amusement device — 1982-03-30