JL

John Lettko

📍 Danville, CA: #797 of 1,210 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,162,198 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8458907 Method and apparatus for exterior surface treatment of insulated structural steel panels William H. Lowery, Michael T. Lowery 2013-06-11