RS

Richard C. Stiffler

AA Aluminum Company Of America: 2 patents #290 of 1,017Top 30%
📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,256,588 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5708209 Apparatus and method for ultrasonic particle detection in molten metal Ronald C. Wojnar, Mark F. A. Warchol, Lawrence W. Cisko, John M. Urbanic 1998-01-13
5148853 Method and apparatus for controlling the heat transfer of liquid coolant in continuous casting Ho Yu, Douglas L. Bruce, David Leon, Francis J. Glogowski 1992-09-22