Patents by Inventor Charles E. Samson

Charles E. Samson 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).

  • Flashlight with soft turn on control
    Patent number: 4855647
    Abstract: A flashlight is provided with a special circuit for limiting the surge current through the flashlight bulb. The circuit includes a secondary incandescent filament used to energize a transistor gradually upon the activation of flashlight. The transistor in turn gradually energizes the main bulb.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: August 8, 1989
    Assignee: Rayovac Corporation
    Inventors: David R. Schaller, El-Sayed Megahed, Charles E. Samson