JK

Jarmo Kumpula

📍 Minnetrista, MN: #23 of 73 inventorsTop 35%
🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,219,127 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8844423 Blowback bolt upper receiver and barrel assembly Timothy Ubl 2014-09-30
8713838 Rimfire action platform conversion Timothy Ubl 2014-05-06
8464453 Blowback bolt upper receiver and barrel assembly Timothy Ubl 2013-06-18
8205373 Rimfire action platform conversion Tim Ubl 2012-06-26