Patents by Inventor Donald Jeffrey Christian

Donald Jeffrey Christian 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).

  • Patent number: D439871
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: April 3, 2001
    Assignee: Deere & Company
    Inventors: Barry Joseph Goebert, Donald Jeffrey Christian, Jose Eduardo Fernandes
  • Patent number: D441469
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: May 1, 2001
    Assignee: Deere & Company
    Inventors: Barry Joseph Goebert, Bengt Ake Nestell, Donald Jeffrey Christian, Jae Hoon Choi
  • Patent number: D447491
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: September 4, 2001
    Assignee: Deere & Company
    Inventors: Barry Joseph Goebert, Bengt Ake Nestell, Donald Jeffrey Christian
  • Patent number: D447492
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: September 4, 2001
    Assignee: Deere & Company
    Inventors: Barry Joseph Goebert, Bengt Ake Nestell, Donald Jeffrey Christian
  • Patent number: D447753
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: September 11, 2001
    Assignee: Deere & Company
    Inventors: Barry Joseph Goebert, Bengt Ake Nestell, Donald Jeffrey Christian, Jae Hoon Choi