RC

Ross M. Castle

📍 Florissant, MO: #6 of 31 inventorsTop 20%
🗺 Missouri: #150 of 859 inventorsTop 20%
Overall (1989): #64,218 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D301043 Combined mechanical pencil and scale therefor — 1989-05-09