Patents by Inventor Charles Ray Ladd

Charles Ray Ladd 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 stacking rolls
    Patent number: 4009674
    Abstract: This invention relates to a method and apparatus for handling tape, such as knit or woven tape employed in the manufacture of zippers, and is more particularly directed to an improved apparatus and method for reeling and dereeling tape.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: March 1, 1977
    Assignee: Coats & Clark, Inc.
    Inventor: Charles Ray Ladd