Patents Assigned to SONOMA CONSULTING & CONSTRUCTION, INC.
  • Expansion type caution device
    Patent number: 11285870
    Abstract: An inflatable warning system for roads that enables the user to warn the rear driver by expanding an inflatable tube, which is a warning system. More specifically, when the driver pulls the handle of the gas injector formed on the main body, the compressed gas stored in a gas container is instantaneously injected to the inflatable tube, and the warning system expanded by the injected compressed gas stands up, thereby notifying the rear driver to recognize the warning system to prevent an accident.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 29, 2022
    Assignee: SONOMA CONSULTING & CONSTRUCTION, INC.
    Inventors: Bo Kyung Lee, Sang Wook Lee