Inventor · disambiguated record
William R. Hafel
Also filed as: HAFEL WILLIAM R
1 granted patent·25 citations·filing 1975–1975
43Inventor score
Technology areasG09B
Files withBURTIS ERIC F1
Top patents by PatentIndex Score
1 recordJoin the waitlist — get patent alerts
Get an alert when William R. Hafel 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 →