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USPTO Patent Rankings Data through Sept 30, 2025
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Henry J. Stevens

GPGlobal Tungsten & Powders: 2 patents #1 of 7Top 15%
Athens, PA: #1 of 4 inventorsTop 25%
Pennsylvania: #754 of 6,061 inventorsTop 15%
Overall (2011): #97,389 of 364,097Top 30%
2 Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7988760 Method of making nanocrystalline tungsten powder Hans-Joachim Lunk 2011-08-02
7989064 Ceramic-coated tungsten powder Hans-Joachim Lunk, Ricky D. Morgan, Dale E. Benjamin, Tuan A. Dang, Timothy A. Frisk 2011-08-02