Patents by Inventor Vida Langdon Calender

Vida Langdon Calender 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).

  • Washable female undergarment
    Patent number: 8460265
    Abstract: A washable female undergarment is designed for comfort and for alleviating leakage. The undergarment comprises an outer layer of a stretchable fabric, an inner layer of an absorbent fabric, and a main absorbent layer positioned between the inner and outer layers in the crotch area. The three layers are permanently secured together to form a reusable reliant undergarment.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: June 11, 2013
    Inventor: Vida Langdon Calender