Inventor · disambiguated record
John J. Barr
Also filed as: BARR JOHN J
1 granted patent·7 citations·filing 1999–1999
29Inventor score
Technology areasE03F
Top patents by PatentIndex Score
1 recordJoin the waitlist — get patent alerts
Get an alert when John J. Barr 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 →