Patents by Inventor Michael Carl Frey

Michael Carl Frey 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).

  • Portable ball washer
    Patent number: 5641232
    Abstract: A portable hand-held golf ball washer includes a washer fluid reservoir within a sealed housing, a concave portion overcovered with a moisture retaining pad, and a valve with a spring closure openable by pushing a ball into the pad to permit flow of washer fluid into the pad.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: June 24, 1997
    Inventor: Michael Carl Frey