Patents by Inventor Norman C. Nelson

Norman C. Nelson 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: 4357648
    Abstract: A flashlight is equipped with rechargeable batteries inside its main housing. A removable tail cap contains an electronic circuit for recharging the batteries, the circuit being actuated and energized by means of a switch assembly which is accessible through the outer end of the tail cap.A mechanical isolation means is included for protecting the electronic circuit from being damaged by any physical movement of the batteries that may occur.One embodiment of the invention also includes a spare bulb holder assembly which also constitutes the mechanical isolation means.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: November 2, 1982
    Assignee: Kel-Lite Industries, Inc.
    Inventor: Norman C. Nelson
  • Patent number: 4060723
    Abstract: A flashlight assembly including a cylindrical housing defining a battery compartment and a separated lamp compartment with a circuit controlling switch located entirely on the outside of the cylindrical enclosure, the lamp compartment lying in a separate part of the cylindrical enclosure which is threadedly connected to the main portion of the enclosure, there being an electrical connector between the switch unit and the lamp and socket unit which extends from the switch on the outside of the enclosure to the interior of the lamp compartment and remains entirely outside the battery compartment.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: November 29, 1977
    Assignee: Kel-Lite Industries, Inc.
    Inventor: Norman C. Nelson
  • Patent number: 4037839
    Abstract: A police baton or the like of telescoping tubular sections normally carried in a collapsed telescoped condition and extensible by releasing a safety lock in the handle and exerting pressure upon an eject button to release a catch and permit an internal expansive helical spring to telescopically extend the sections of the baton, operation of the safety lock and of the eject button being accomplished by movement of those elements in readily distinguishable directions of operational motion.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: July 26, 1977
    Inventor: Norman C. Nelson