Darren E. Vengroff

3 Patents

• US121063262024

  Determining Locations of Interest Based on User Visits

  BYTEDANCE Inc.

  0 cites
• US118893882024

  Facilitating User Interactions Based on Proximity

  GROUPON, Inc.

  0 cites
• US116698642023

  Determining Locations of Interest Based on User Visits

  Groupon, Inc.

  0 cites