OS

Ollis Carver, Sr.

📍 Chicago, IL: #82 of 382 inventorsTop 25%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #137,080 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D299471 Frisket pen Leon Carver 1989-01-17