Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cengage Learning — 1 Patent in 2022

Rank (2022): #28,666 of 30,754Top 95%
2 inventors
1 Patents 2022

Top Inventors at Cengage Learning 2022

Showing 1–2 of 2 inventors

RankNamePatents
1 Douglas Mealing 1
1 Walter Michael Seiler, III 1