Patents by Inventor Walter Bretschneider

Walter Bretschneider 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).

  • Stitched-down shoe
    Patent number: 4308671
    Abstract: A stitched-down shoe in which the upper or the upper material has an outwardly-turned edge which is sewn directly to a base. The base has a lateral seam groove extending around the periphery thereof and near the top of the base, and pre-formed stitch holes directed essentially perpendicular to the seam groove. The upper is stitched to the base through the stitch holes. In another embodiment, air holes are provided through the shoe base to allow "breathing" and interior grooves are provided connecting the air holes.
    Type: Grant
    Filed: May 23, 1980
    Date of Patent: January 5, 1982
    Inventor: Walter Bretschneider
  • Shoe base
    Patent number: D268543
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: April 12, 1983
    Inventor: Walter Bretschneider