JK

John C. Kliethermes

📍 Maplewood, MN: #253 of 510 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,280,305 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5537796 Retaining wall block and system — 1996-07-23
4996813 Sound block Michael E. Woolfford 1991-03-05