Patents by Inventor Alphonso Harold Caldwell

Alphonso Harold Caldwell 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).

  • Trouser suspenders
    Patent number: 6308338
    Abstract: Trouser suspenders for securing trousers in a predetermined position below the waist. The trouser suspenders have a waist strap designed to extend around the waist of a wearer. A first extender is attached to, and dependent from, the waist strap and the first extender has one fastener attached directly thereto. A second extender is attached to, and dependent from, the waist strap and the second extender has one fastener attached directly thereto. The fastener of the first extender and the fastener of the second extender attach to the trousers.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: October 30, 2001
    Inventor: Alphonso Harold Caldwell
  • Undergarment
    Patent number: D483549
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: December 16, 2003
    Inventor: Alphonso Harold Caldwell