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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas E. Roth — 3 Patents

DIDiebold: 3 patents #186 of 365Top 55%
Bolivar, OH: #10 of 33 inventorsTop 35%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas E. Roth has been granted 3 US patents while listed as an inventor at Diebold. The first was granted in 2000 and the most recent in December 2001. Douglas E. Roth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas E. Roth in Bolivar, OH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6330978 Electronic purse card value system card security method Rafael Molano, Lawrence Gianfagna, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more 2001-12-18 $12,360,000
6145740 Electronic purse card value system Rafael Molano, Lawrence Gianfagna, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more 2000-11-14 $10,911,000
6032135 Electronic purse card value system terminal programming system and method Rafael Molano, Lawrence Gianfagna, Ed Kurtek, Alan Goulet, Robert D. Symonds +6 more 2000-02-29 $17,878,000