CS

C. Norman Sjogren

BI Belwith International: 2 patents #9 of 9Top 100%
📍 San Gabriel, CA: #124 of 297 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,347,742 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4583381 Rotary door and window lock — 1986-04-22
4514996 Sliding door lock — 1985-05-07