Patents by Inventor Donald H. Friedland

Donald H. Friedland 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).

  • Blade shave counter
    Patent number: 5347715
    Abstract: A blade shave counter is disclosed which counts the number of shaves for which an interchangeable shaving blade has been used, and displays the count on an LCD display mounted preferably on the shaving handle of a shaving instrument. Optionally, an audible alarm sounds or an LED is activated when the count reaches a predetermined or user selectable value.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: September 20, 1994
    Inventor: Donald H. Friedland