Inventor · disambiguated record

John R. Sponaes

Also filed as: SPONAES JOHN R

1 granted patent·16 citations·filing 1976–1976

37Inventor score
Technology areasC09D
Files withGRAPHIC MAGICIANS INC1

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1 record

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