Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Langdon Incorporated

Rank (2011): #17,793 of 22,517Top 80%
2 inventors
1 Patents 2011

Top Inventors at Langdon Incorporated 2011

Showing 1–2 of 2 inventors

RankNamePatents
1 Joseph P. Sandman 1
1 Michael N. Sandman 1