Patents Assigned to John Sigan
  • Handlebar adjusting device
    Patent number: 4361057
    Abstract: A device for changing drop-style handlebars between a downward or racing position and a touring or general use position, comprising a coupler including two mutually rotatable members, attached respectively to a free or gripping part of a handlebar and to a central part of the handlebar which is secured to a steering post.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: November 30, 1982
    Assignee: John Sigan
    Inventor: Peter G. Kochera