Patents by Inventor James A. Brockberg

James A. Brockberg 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: 5218889
    Abstract: A light bulb manipulating device (10) which comprises a unitary plastic structure (11) and a vacuum forming means (12) is disclosed. The device (10) incorporates a receptacle (15), a flexible, annular rim (20) and at least one projection (17) for application of a rotational motion about a longitudinal axis (A--A). The device (10) can manipulate a wide variety of light bulbs ranging from small conical or globe-type bulbs to essentially flat, flood or spot lights and is, therefore, versatile, economical, and easily operated.
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: June 15, 1993
    Inventor: James A. Brockberg