Inventor · disambiguated record

William Henry Elfring

Also filed as: ELFRING WILLIAM HENRY

1 granted patent·6 citations·filing 2001–2001

28Inventor score
Technology areasC09D
Files withROHM & HAAS1

Top patents by PatentIndex Score

1 record

Join the waitlist — get patent alerts

Get an alert when William Henry Elfring 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 →