JH

John G. Hazel

PI Ppg Industries: 2 patents #457 of 1,216Top 40%
📍 Barberton, OH: #43 of 118 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,370,949 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4275026 Method for preparing titanium diboride shapes Roger A. Steiger 1981-06-23
4233077 Preparing extrudable refractory hard metal-wax blends — 1980-11-11