DD

Donald A. Dekker

RI Rowe International: 1 patents #1 of 3Top 35%
📍 Grand Rapids, MI: #12 of 63 inventorsTop 20%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #119,786 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887808 Compact bill acceptor Lawrence D. Zandstra 1989-12-19