DB

David J. Bolha

📍 Youngstown, OH: #90 of 284 inventorsTop 35%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,364,124 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4411117 Building siding replacement device and method 1983-10-25
4261026 Lighted coaster for drinks 1981-04-07