Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SW

Stephen D. Washko — 4 Patents

AMD: 3 patents #3,455 of 9,280Top 40%
ALAllegheny Ludlum: 1 patents #43 of 96Top 45%
Butler, PA: #77 of 347 inventorsTop 25%
Pennsylvania: #19,360 of 74,527 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Stephen D. Washko has been granted 4 US patents while listed as an inventor at AMD. The first was granted in 1987 and the most recent in October 2002. Stephen D. Washko ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Stephen D. Washko in Butler, PA, US.

Patents per Year

Patents granted per year, 1987 to 2002Bar chart with a peak of 2 patents in 2001.peak 21987: 1 patents19872001: 2 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6471789 Amorphous metal alloy strip S. Leslie Ames, Vilakkudi G. Veeraraghavan 2002-10-29
6296948 Amorphous metal alloy strip and method of making such strip S. Leslie Ames, Vilakkudi G. Veeraraghavan 2001-10-02
6277212 Amorphous metal alloy strip and method of making such strip S. Leslie Ames, Vilakkudi G. Veeraraghavan 2001-08-21
4661169 Producing an iron-chromium-aluminum alloy with an adherent textured aluminum oxide surface George Aggen, Paul R. Borneman 1987-04-28