Inventor · disambiguated record

Walter Pfrengle

Also filed as: PFRENGLE WALTER

1 granted patent·4 citations·filing 1997–1997

25Inventor score

Technology areasC08J

Files withATOCHEM ELF SA1

Top patents by PatentIndex Score

1 record

0125US6232394B1Master batches containing vulcanizing agentsATOCHEM ELF SA·Filed 1997·Granted May 15, 2001·4 cites·12 claims

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