Locking devices and and software applications for use in controlling access to delivery packages by means of mobile devices that communicate with a locking mechanism applied to, or integrated with, a delivery container; promoting the services of others who engage in safe, secure delivery of packages using tamper-resistant devices, systems, and methods; a mark used to certify that packages and delivery containers, including food delivery packages and containers, are delivered using means that inhibit tampering with said packages, containers, and its contents; Monitoring status information relating to delivery packages, including food delivery packages
Electrical and Scientific Apparatus