Patents Assigned to Negra Arroyo LLC
  • Megaphone bell
    Patent number: D885955
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 2, 2020
    Assignee: Negra Arroyo LLC
    Inventor: Howard McMillan McLain, III
  • Megaphone bell
    Patent number: D890116
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: July 14, 2020
    Assignee: Negra Arroyo LLC
    Inventor: Howard McMillan McLain, III