Patents by Inventor Lena J. Qin

Lena J. Qin 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).

  • Laser leveling system
    Patent number: 6804893
    Abstract: A leveling system including a first post for contacting an upper surface, a second post for contacting a lower surface, wherein one of the first and second posts telescopes within the other of the first and second posts, a locking assembly disposed on the one of the first and second posts, and a mount assembly for supporting a laser instrument.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: October 19, 2004
    Assignee: Black & Decker Inc.
    Inventors: James B. Watson, Lena J. Qin, Karim Elkatcha, Kimberly R. Capell, Luis F. Torres
  • Laser leveling system
    Publication number: 20040093748
    Abstract: A leveling system including a first post for contacting an upper surface, a second post for contacting a lower surface, wherein one of the first and second posts telescopes within the other of the first and second posts, a locking assembly disposed on the one of the first and second posts, and a mount assembly for supporting a laser instrument.
    Type: Application
    Filed: May 16, 2003
    Publication date: May 20, 2004
    Inventors: James B. Watson, Lena J. Qin, Karim Elkatcha, Kimberly R. Capell, Luis F. Torres