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USPTO Patent Rankings Data through Dec 31, 2025
EI

Erwin Industries — 48 Patents

Rank (All Time): #13,637 of 106,120Top 15%
2 inventors
48 Patents All Time

Top Inventors at Erwin Industries All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 Ronald D. Erwin 48
2 Marvin Ray Whitley 4