RK

Ralph W. Keen

MI Mebco Industries: 2 patents #3 of 9Top 35%
📍 Princeton, MN: #20 of 65 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,287,053 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D358489 Hairbrush Melvin E. Balster, Delton A. Kruschke, James B. Easley 1995-05-23
D358490 Hairbrush handle Melvin E. Balster, Delton A. Kruschke, James B. Easley 1995-05-23