JK

John D. Kooiker

SE Steffens Enterprises: 1 patents #1 of 2Top 50%
📍 Caledonia, MI: #5 of 10 inventorsTop 50%
🗺 Michigan: #1,023 of 4,492 inventorsTop 25%
Overall (1997): #128,141 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5653491 Folding cargo bay cover for pickup trucks Chuck J. Steffens 1997-08-05