Patents by Inventor Dennis S. Vanwynsberghe

Dennis S. Vanwynsberghe 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).

  • Patent number: 5307249
    Abstract: An elongate tubular body includes a lens operative through batteries and an on/off switch to effect selective illumination therethrough, and further includes an elongate conduit having a forward end projecting to an exit port at and beyond the lens of the associated lens housing. A tubular extension housing mounts therewithin a pressurized cylinder containing a repelling fluid therewithin selectively directed through a valve assembly operative with the conduit to effect selective repelling of an assailant or animal in use of the flashlight structure.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: April 26, 1994
    Inventor: Dennis S. Vanwynsberghe