WK

William A. Koentopp

📍 Windom, MN: #1,009 of 2,819 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,659,993 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5082631 Transport tray with pivotal circular cam ramp for biological samples Voigt O. Lenmark, Sr. 1992-01-21
5040678 Biological sample transport container Voigt O. Lenmark, Sr. 1991-08-20
4997090 Biological sample vial transport tray Voigt O. Lenmark, Sr. 1991-03-05