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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Douglas Machine — 5 Patents in 2020

Rank (2020): #7,407 of 32,409Top 25%
15 inventors
5 Patents 2020

Top Inventors at Douglas Machine 2020

Showing 1–15 of 15 inventors

RankNamePatents
1 Aaron M. Frederick 1
1 Adnanul Haq 1
1 Christopher T. Davis 1
1 Corey S. Sundheim 1
1 Craig Sholts 1
1 David L. Anderson 1
1 Daniel Floding 1
1 Frank Mathew Brenkus 1
1 Matthew R. Crissinger 1
1 Matthew D. Toyli 1
1 Patrick Joseph Bierschenk 1
1 Richard W. Lukanen, Jr. 1
1 Ronald Matthew Gust 1
1 Tao Zhang 1
1 Thomas H. Peterman 1