Inventor · disambiguated record
Douglas E. Roth
Also filed as: ROTH DOUGLAS E
3 granted patents·254 citations·filing 1998–1998
78Inventor score
Technology areasG06Q
Files withDIEBOLD INC3
Top patents by PatentIndex Score
3 records- 0159US6032135AElectronic purse card value system terminal programming system and methodDIEBOLD INC·Filed 1998·Granted Feb 29, 2000·116 cites·19 claims
- 0255US6330978B1Electronic purse card value system card security methodDIEBOLD INC·Filed 1998·Granted Dec 18, 2001·93 cites·15 claims
- 0343US6145740AElectronic purse card value systemDIEBOLD INC·Filed 1998·Granted Nov 14, 2000·45 cites·37 claims
Join the waitlist — get patent alerts
Get an alert when Douglas E. Roth 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 →