Inventor · disambiguated record

Carl B. Derr

Also filed as: DERR CARL B

2 granted patents·22 citations·filing 19761982

59Inventor score
Technology areasA01BA01C
Files withEARTHWAY PRODUCTS INC1ESMAY PRODUCTS INC1

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2 records

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