RC

Rick J. Chapman

II Ibg International: 1 patents #1 of 2Top 50%
📍 Vernon Hills, IL: #4 of 15 inventorsTop 30%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #36,878 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4312157 Greenhouse with hinged roof sections Roger D. Hertel 1982-01-26