DR

Douglas H. Rothenberg

CA Carborundum: 1 patents #54 of 126Top 45%
TO The Standard Oil: 1 patents #291 of 601Top 50%
📍 Shaker Heights, OH: #183 of 490 inventorsTop 40%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,560,743 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7936259 Alarm management system Robert Weibel 2011-05-03
5029821 Apparatus for controlling the magnesium content of molten aluminum Ari Bar-on, Kenneth L. Gallaher, Jonathan Greenberg, David Neff 1991-07-09
4422303 Process for cooling a continuously moving material to a predetermined temperature Ronald Nicholson 1983-12-27