Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
IP

Ipar

Rank (All Time): #19,861 of 106,127Top 20%
2 inventors
32 Patents All Time

Top Inventors at Ipar All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 Joseph L. Spears 24
2 Jeffrey D. Brandstetter 19