Patents by Inventor Sandra Hudson

Sandra Hudson 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).

  • Business/pleasure dart
    Patent number: 5707307
    Abstract: A combined dart and writing implement, such as a ball point pen. Each are contained within the same housing and movable from a retracted to an extended position. When extended, their tip portion extends through an orifice in the housing. Both the dart and writing implement have springs to retract them and each is moved by pushing a finger operated button.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: January 13, 1998
    Inventors: Carlos Robben, Sandra Hudson