SF

Sidney Fromberg

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Lancaster, CA: #132 of 336 inventorsTop 40%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,654,504 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5925861 Security door lock arrangement with magnetically operated switch in the closed door position — 1999-07-20