RS

Richard T. Sewald, Sr.

BS Bethlehem Steel: 1 patents #116 of 326Top 40%
IT Isg Technologies: 1 patents #12 of 26Top 50%
📍 Bethlehem, PA: #449 of 1,038 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,168,368 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7037423 Method for removal and detoxication of dissolved metals in a rainwater discharge Stewart T. Herman, Joseph Bartosh, Zachary J. Lezoche 2006-05-02
4465597 Treatment of industrial wastewaters Stewart T. Herman, James B. Pfeiffer, Charles J. Sterner 1984-08-14