HB

H. Robert Baumgartner

AA Aluminum Company Of America: 2 patents #290 of 1,017Top 30%
📍 Monroeville, PA: #311 of 710 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,259,935 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5746267 Monolithic metal matrix composite David I. Yun, Ralph R. Sawtell, Warren H. Hunt, Jr., Eric Streicher, Michael F. Ehman 1998-05-05
5259436 Fabrication of metal matrix composites by vacuum die casting David I. Yun, Ralph R. Sawtell, Warren H. Hunt, Jr., Eric Streicher, Michael F. Ehman 1993-11-09