Inventor · disambiguated record
Herbert Carl Barnum
Also filed as: BARNUM HERBERT C · BARNUM HERBERT CARL
1 granted patent·2 pending applications·31 citations·filing 2005–2008
46Inventor score
Files withEAST JORDAN IRON WORKS INC3
Top patents by PatentIndex Score
3 records- 0187US7341398B2Lift-assisted manhole coverEAST JORDAN IRON WORKS INC·Filed 2006·Granted Mar 11, 2008·31 cites·6 claims
- 0240US2008138153A1Lift-assisted manhole coverEAST JORDAN IRON WORKS INC·Filed 2008·Application pending·0 cites
- 0336US2006236610A1Cast hatch with lift assistEAST JORDAN IRON WORKS INC·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Herbert Carl Barnum 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 →