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USPTO Patent Rankings Data through Dec 31, 2025
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Crain Cutter — 1 Patent in 2021

Rank (2021): #29,076 of 31,506Top 95%
3 inventors
1 Patents 2021

Top Inventors at Crain Cutter 2021

Showing 1–3 of 3 inventors

RankNamePatents
1 Darwin D. Spencer, Jr. 1
1 Donald W. Suwyn 1
1 Lance D. Crain 1