Patents by Inventor Robert K. Lang

Robert K. Lang 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).

  • Safety shield
    Publication number: 20020139374
    Abstract: A safety shield suitable for removable attachment to a restraint chair. The shield, adjustable movably in a vertical position, characterized as a rigid, planar member adapted for removable attachment to a support member of an animal, restraining chair.
    Type: Application
    Filed: August 13, 2001
    Publication date: October 3, 2002
    Inventors: Susan A. Iliff, Richard Bilka, Robert C. Hill, Gregory W. King, John Kovacs, Alison A. Kulick, Robert K. Lang, James J. Michels, Lisa M. Stanislawczyk
  • Control switch apparatus operable by an object placed adjacent thereto and spaced therefrom
    Patent number: 5977878
    Abstract: A "no touch", two state switch is controlled by light emitted thereby which is reflected back to the switch to actuate or deactuate the switch when reflected by a hand or other object spaced from but adjacent to the switch.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: November 2, 1999
    Inventor: Robert K. Lang
  • Manipulable cubes base station
    Patent number: D691656
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: October 15, 2013
    Assignee: Sifteo, Inc.
    Inventors: David Jeffrey Merrill, Jeevan James Kalanithi, Robert K. Lang