Patents by Inventor Dan McKenna

Dan McKenna 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).

  • Mobile communications
    Patent number: 5960343
    Abstract: A slotted wave-guide antenna is attached low on a cellular phone tower. Horizontally polarize radiation in a toroidal pattern from the wave-guide antenna is used to communicate with aircraft. The wave-guide antenna radiation pattern is about 6.degree. thick. An antenna on top of the tower transmits vertically polarized radiation to communicate with automobiles and pedestrians.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: September 28, 1999
    Assignee: Aircell, Inc.
    Inventors: Jimmy C. Ray, Dan McKenna