WJ

Wiliam G. Johnson

JC Johnson Level & Tool Mfg. Co.: 1 patents #21 of 34Top 65%
📍 Mequon, WI: #291 of 452 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,848,310 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5105549 Level with top-reading magnification 1992-04-21