Patents by Inventor Dan Lemcke

Dan Lemcke 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: 8819950
    Abstract: A chalk line apparatus having a line and spool and a releasable end. The releasable end comprises a hook member having a rod member, a releasable member pivotally attached to the rod member and a spring positioned to bias the releasing member against the hook member. The releasing member has an attachment location for the line. Additionally, the spring is sized and shaped to allow rotation of the releasing member about the rod member and relative to the hook member upon a force exerted at the attachment location from the line.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: September 2, 2014
    Inventor: Dan Lemcke
  • Patent number: D802455
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 14, 2017
    Inventor: Dan Lemcke