Roger K Russell

3 Patents

• US123870722025

  Smart Mailbox Receptacle and Platform to Ship Packages and Goods from a Trimodal System That Includes a Courier Service, an Automated Vehicle or Robot, And/or an Unmanned Drone

  0 cites
• US119462842024

  Door Lock Capable of Showing Locking or Unlocking State

  Oak Security Group, LLC

  0 cites
• US116242082023

  Door Lock Having a Lighted Display When in the Locked Position

  Oak Security Group LLC

  0 cites