Patents by Inventor Janet M. Henderson

Janet M. Henderson 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).

  • Method of producing stencils
    Patent number: 4530061
    Abstract: An automated method of producing stencils is described in which coordinates of points lying on straight or curved lines are determined and recorded in an electronic storage medium. Sequential points determine circular arcs which are transmitted from storage to a cutter used for producing the stencils.
    Type: Grant
    Filed: October 15, 1982
    Date of Patent: July 16, 1985
    Assignee: Wood-Tics Inc.
    Inventors: Janet M. Henderson, Michael F. Andrews, Daniel A. Houghton