JB

John K. Berkseth

HS Hardware Specialties: 3 patents #2 of 2Top 100%
📍 Rice Lake, WI: #9 of 63 inventorsTop 15%
🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%
Overall (All Time): #1,556,503 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8307495 Door cylinder 2012-11-13
7871112 Reversible double deadbolt mortise latch Michael W. Kondratuk 2011-01-18
7703815 Quick cam latch mechanism Michael W. Kondratuk 2010-04-27