RO

Richard C. Ostrowski

Caterpillar: 3 patents #2,162 of 8,398Top 30%
📍 Dunlap, IL: #176 of 474 inventorsTop 40%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,685,647 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4265296 Investment casting mold forming apparatus — 1981-05-05
4223716 Method of making and using a ceramic shell mold — 1980-09-23
4180918 Microwave drying of ceramic shell molds — 1980-01-01