David W. Maxwell

4 Patents

• US124002752025

  Automatic Triggering of Receipt Delivery

  Block, Inc.

  0 cites
• US123939172025

  Interactive Digital Receipt

  Block, Inc.

  0 cites
• US119223942024

  Customer Segment Communications

  Block, Inc.

  0 cites
• US118100782023

  Interactive Digital Receipt

  Block, Inc.

  0 cites