Patents by Inventor Ronnie C. W. Mak

Ronnie C. W. Mak 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).

  • Clock
    Patent number: D364095
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: November 14, 1995
    Assignee: Sanny Electronics Limited
    Inventor: Ronnie C. W. Mak
  • Radio
    Patent number: D378371
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: March 11, 1997
    Assignee: Sanny Electronics Limited
    Inventor: Ronnie C. W. Mak
  • Combined clip and recorder
    Patent number: D379626
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: June 3, 1997
    Assignee: Sanny Electronics Limited
    Inventor: Ronnie C. W. Mak