Patents by Inventor Jung-Chang Jong

Jung-Chang Jong 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).

  • Chain saw
    Patent number: D445657
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: July 31, 2001
    Assignee: Jenn Feng Industrial Co., Ltd.
    Inventor: Jung-Chang Jong
  • Lawn mower
    Patent number: D456675
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 7, 2002
    Assignee: Jenn Feng Industrial Co., Ltd.
    Inventor: Jung-Chang Jong
  • Lawn mower
    Patent number: D457042
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 14, 2002
    Assignee: Jenn Feng Industrial Co., Ltd.
    Inventor: Jung-Chang Jong
  • Milling machine for leaves and branch
    Patent number: D457532
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 21, 2002
    Assignee: Jenn Feng Industrial Co., Ltd.
    Inventor: Jung-Chang Jong
  • Lawn mower
    Patent number: D457897
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 28, 2002
    Assignee: Jenn Feng Industrial Co., Ltd.
    Inventor: Jung-Chang Jong