Patents by Inventor Richard A. Kerr, Jr.

Richard A. Kerr, Jr. 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).

  • Lead-pencil sharpener
    Patent number: 3998253
    Abstract: A lead-pencil sharpener having a generally horizontally disposed shaving mechanism and a housing thereabout formed with an opening through which a lead-pencil may be inserted into said mechanism. A ledge member formed integrally with such housing or attachable thereto in a generally horizontal position beneath and in close proximity to the opening in the housing to catch lead and wood shavings which fall from the opening in the housing.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: December 21, 1976
    Inventor: Richard A. Kerr, Jr.
  • Battery tester
    Patent number: D582812
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: December 16, 2008
    Inventor: Richard A. Kerr, Jr.