Patents by Inventor Carl J. Allen

Carl J. Allen 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).

  • Fluorescent lamp end cap
    Patent number: 4280169
    Abstract: A decorative and lockable end cap for fluorescent lamps in the form of an enclosure which covers and conceals the base of the fluorescent lamp and its lampholder, whereby enhancing the appearance of bare bulb fluorescent lamp luminaires, thus improving their acceptance as energy conservation lighting fixtures and also deterring lamp theft when the fixtures are located within easy reach in public places.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: July 21, 1981
    Inventor: Carl J. Allen