Inventor · disambiguated record

Helen D. Haller

Also filed as: RIDGWAY JOHN A JR

1 granted patent·0 citations·filing 1978–1978

10Inventor score

Technology areasY10S

Files withSTANDARD OIL CO INDIANA1

Top patents by PatentIndex Score

1 record

0125US4189538AMethod for growing pseudomycelial yeasts and reducing bacterial contamination in a yeast fermentation processSTANDARD OIL CO INDIANA·Filed 1978·Granted Feb 19, 1980·0 cites·12 claims

Join the waitlist — get patent alerts

Get an alert when Helen D. Haller files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

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