JG

John E. Groth

EI Erico International: 2 patents #60 of 144Top 45%
📍 Cleveland Heights, OH: #276 of 614 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,320,133 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5067844 Reinforcing bar coupler Geoffrey M. Bowmer 1991-11-26
4955825 Electrical fixture Martin F. Delmore, Raymond S. Laughlin 1990-09-11