WS

William D. Spiegelberg

BW Brush Wellman: 2 patents #17 of 51Top 35%
TL Trw Limited: 2 patents #579 of 2,166Top 30%
BU British Technology Group Usa: 1 patents #24 of 42Top 60%
PU Princeton University: 1 patents #543 of 1,197Top 50%
📍 Parma, OH: #84 of 437 inventorsTop 20%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #1,057,850 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5324914 Method and apparatus for welding precipitation hardenable materials Holt A. Murray, Jr., Ian D. Harris, John O. Ratka 1994-06-28
5257733 Process for thermodynamically treating a region joining two members and product thereof John O. Ratka, Clarence S. Lorenz 1993-11-02
5217158 Process for thermodynamically treating a region joining two members John O. Ratka, Clarence S. Lorenz 1993-06-08
4281528 Process for isothermally shaping a titanium-containing metal workpiece Donald J. Moracz, Frank N. Lake 1981-08-04
4183236 Method of isothermal forging Donald J. Moracz 1980-01-15