Duane E. Wald has been granted 12 US patents while listed as an inventor at Docusign. The first was granted in 2012 and the most recent in April 2024. Duane E. Wald ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Duane E. Wald in Kent, WA, US.