Patents by Inventor Robert C. McArdle

Robert C. McArdle 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).

  • Hat connecting sunglass retention clip(s)
    Patent number: 8381359
    Abstract: A hat connecting sunglass retention clip is provided having a curved inner surface, a spring urged clamp for frictionally impinging to the hat inner sidewall, and a pair of retaining spikes that both impinge against the hat outer sidewall as well as form upper and lower retention walls for securing the eyeglass arms thereto.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: February 26, 2013
    Assignee: Shadesaverz, Inc.
    Inventor: Robert C. McArdle