Patents by Inventor M. Shayne Powell, Sr.

M. Shayne Powell, Sr. 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).

  • Pneumatically cushioned shoe sole
    Patent number: 7571555
    Abstract: A pneumatically cushioned shoe sole for use with virtually any type of shoe, comprising a u-shaped outsold with inlet tubes connected via a transfer tube, an insole of memory foam supported by air chambers and mini chambers, the chambers and an air inlet connected by a transfer channel is disclosed. The air inlet further comprises a check valve and both a removable inlet insert and a removably adjustably opened valve.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: August 11, 2009
    Inventor: M. Shayne Powell, Sr.