Patents by Inventor James D. Ehrich

James D. Ehrich 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).

  • Collapsible golf club
    Patent number: 5029860
    Abstract: A golf club which includes an overlength shaft which includes telescopically connected tubular shaft members. The shaft members are shiftable between an extended operative position with the shaft members secured one to the other and a collapsed, inoperative position in which one shaft member fits loosely inside the other.
    Type: Grant
    Filed: November 24, 1989
    Date of Patent: July 9, 1991
    Inventor: James D. Ehrich
  • Tennis shoe cleaning device
    Patent number: 4793018
    Abstract: A shoe cleaning device which includes a mat positioned within a pan of cleaning fluid, the mat is of pliable open cellular construction wich allows the fluid to be coursed into sole crevices to effect cleaning thereof when the mat is stepped on.
    Type: Grant
    Filed: November 6, 1986
    Date of Patent: December 27, 1988
    Inventor: James D. Ehrich