Inventor · disambiguated record

Robert A. Helrigel

Also filed as: HELRIGEL ROBERT A

1 granted patent·17 citations·filing 1976–1976

38Inventor score
Technology areasB21J
Files withGULF & WESTERN MFG CO1

Top patents by PatentIndex Score

1 record

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