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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PF

Progressive Fastening — 8 Patents

Rank (All Time): #66,863 of 105,732Top 65%
1 inventors
8 Patents All Time

Patents per Year

Patents granted per year, 1986 to 2015Bar chart with a peak of 2 patents in 1990.peak 21986: 1 patents19861989: 1 patents19891990: 2 patents19901991: 1 patents19911992: 1 patents19922014: 1 patents20142015: 1 patents2015

Top Inventors at Progressive Fastening All Time

Showing 1–1 of 1 inventors

RankNamePatents
1 Peter S. Richards 8