Patents by Inventor Yongjing Mai

Yongjing Mai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electronic sighting device and method of calibratingreticule without adjusting optical lens position
    Publication number: 20180356186
    Abstract: An electronic sighting device and method is described for calibrating a shooting device. The sighting device includes a display screen, mounting clip, optical lens, and an external infra-red torch for light compensation. By one discharge from the shooting device, the adjustable targeting reticule of the electronic sighting device can be set to align with the targeting position. The alignment process does not require adjusting the optical lens position, nor the mounting position of the sighting device.
    Type: Application
    Filed: July 3, 2017
    Publication date: December 13, 2018
    Inventor: Yongjing Mai
  • Video camera
    Patent number: D870177
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: December 17, 2019
    Inventor: Yongjing Mai