Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Span Tech — 2 Patents in 2019

Rank (2019): #14,438 of 32,247Top 45%
3 inventors
2 Patents 2019

Top Inventors at Span Tech 2019

Showing 1–3 of 3 inventors

RankNamePatents
1 James L. Layne 2
1 Scott Dayton Barbour 2
1 Stephen C. Fye 2