CK

Calvin Jay Kortman

📍 Holland, MI: #15 of 111 inventorsTop 15%
🗺 Michigan: #677 of 6,370 inventorsTop 15%
Overall (2003): #73,640 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6601928 Industrial component holder assembly and rack Mark A. Kortman, Joyce E. Kortman 2003-08-05
6550659 Apparatus for manufacturing industrial component holder assemblies Mark A. Kortman, Joyce E. Kortman 2003-04-22