DB

David M. Barrett

EX Expensify: 3 patents #1 of 2Top 50%
📍 San Francisco, CA: #733 of 6,999 inventorsTop 15%
🗺 California: #7,928 of 65,961 inventorsTop 15%
Overall (2022): #85,152 of 548,613Top 20%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11516153 Computer system providing a chat engine Melissa Aaron 2022-11-29
11361304 Computing system implementing a network transaction service 2022-06-14
11263611 Computing system implementing secondary authorizations for prepaid transactions 2022-03-01