Inventor · disambiguated record

Harold J. Chall

Also filed as: CHALL HAROLD J

1 granted patent·22 citations·filing 1977–1977

40Inventor score
Technology areasA23N
Files withVISTAN CORP1

Top patents by PatentIndex Score

1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →