Patents by Inventor Philip E. Cantrell

Philip E. Cantrell 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: 4995150
    Abstract: There is provided a method and apparatus for manufacturing feminine hygienic pads in the form of adjacent thick and thin elongated panels having a filler of absorbent material and an outer covering. A rope of absorbent material and a web of the outer covering are brought together in a die. The die in the form of a hollow tube and a tapered guide causes the outer covering to enclose the absorbent material with the seam for the outer covering being on the inside of the pad. The adjacent panels are formed by sewing the pad.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: February 26, 1991
    Assignee: Xtramedics, Inc.
    Inventors: Roland W. Gerstenberger, Philip E. Cantrell