Patents by Inventor Chih P. Chang

Chih P. Chang 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).

  • Replaceable shoulder padding for football players
    Patent number: 5390368
    Abstract: A football shoulder pad includes left and right body arches and left and right arch pads. An outer face of each of the left and right arch pads includes a first hook fastener securely attached to each of anterior and posterior portions thereof. An inner face of each of the left and right body arches includes a strip securely riveted to each of anterior and posterior portions thereof, each strip having a first loop fastener securely mounted to one face thereof which faces the outer face of the left and right arch pads for releasably engaging with the first hook fastener.. The connecting shoulder portion of each of the left and right arch pads includes a strap with one end thereof securely attached to a mediate section thereof, the strap extending in a direction perpendicular to a lengthwise direction of the connecting shoulder portion and having a second hook fastener provided to one face thereof.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: February 21, 1995
    Inventor: Chih P. Chang