LB

Larry L. Birch

📍 Denver, CO: #1,260 of 4,554 inventorsTop 30%
🗺 Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,613,399 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6665987 Staircase, staircase repair device and methods of fabricating same John S. Eve 2003-12-23
6438909 Heating method and assembly for staircase John S. Eve 2002-08-27
6318033 Staircase, staircase repair device and methods of fabricating same John S. Eve 2001-11-20