Inventor · disambiguated record
Ronald Butterfield
Also filed as: BUTTERFIELD RONALD
2 granted patents·18 citations·filing 2009–2009
58Inventor score
Files withEVANS MARTIN2
Top patents by PatentIndex Score
2 records- 0182US8146414B2Material withdrawal apparatus and methods of regulating material inventory in one or more unitsEVANS MARTIN·Filed 2009·Granted Apr 3, 2012·14 cites·8 claims
- 0274US8236247B2Material withdrawal apparatus and methods of regulating material inventory in one or more unitsEVANS MARTIN·Filed 2009·Granted Aug 7, 2012·4 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Ronald Butterfield 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 →