Patents by Inventor Elmar Will

Elmar Will 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).

  • Rechargeable power pack and a pocket lamp for use therewith
    Patent number: 4514790
    Abstract: A rechargeable power pack or cartridge for flashlights and the like is made up of a housing, an accumulator, a rectifier and a plug structure for use with a public electricity supply outlet. Furthermore, the power cartridge has an adapter plug structure which may be used, for example, with the cigarette lighter outlet of a motorvehicle so that the accumulator may be recharged with power from the battery of a motorvehicle or from the public electricity line.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: April 30, 1985
    Inventor: Elmar Will