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USPTO Patent Rankings Data through Sept 30, 2025
HL

Hedley Purvis Limited

Rank (1989): #9,338 of 11,124Top 85%
1 inventors
1 Patents 1989

Top Inventors at Hedley Purvis Limited 1989

Showing 1–1 of 1 inventors

RankNamePatents
1 John N. Walton 1