Patents by Inventor Mick Ch

Mick Ch 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).

  • Emergency alarm
    Patent number: D391512
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: March 3, 1998
    Inventor: Mick Ch
  • Emergency alarm
    Patent number: D400460
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: November 3, 1998
    Inventor: Mick Ch
  • Emergency alarm
    Patent number: D408309
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: April 20, 1999
    Inventor: Mick Ch
  • Emergency alarm
    Patent number: D409513
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: May 11, 1999
    Inventor: Mick Ch
  • Emergency alarm
    Patent number: D409514
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: May 11, 1999
    Inventor: Mick Ch
  • Emergency alarm
    Patent number: D414440
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: September 28, 1999
    Inventor: Mick Ch