Patents by Inventor Johnathan David Cross

Johnathan David Cross 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: 6957645
    Abstract: A play enhancement system for a pneumatic projectile launcher. The play enhancement system includes a first power source and second power source for selective connection to a circuit board in a projectile hopper for the projectile launcher. At least one of the first and second power sources comprises a rechargeable power source. A switching device is connected to the first and second power sources, and to the circuit board for selectively connecting the first power source or second power source between a power source recharger and the circuit board. Continued play is provided by switching between the first and second power supplies when a predetermined low voltage is reached.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: October 25, 2005
    Inventor: Johnathan David Cross