Patents by Inventor Robert C. Sorensen

Robert C. Sorensen 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).

  • Lamp having an improved bulb mounting member
    Patent number: 4958266
    Abstract: The lamp comprises a frustoconical outer envelope. A bulb mounting member includes a flange disposed against or adjacent to the rear portion of the outer envelope and a post which protrudes through an opening in such rear portion into the interior of the outer evelope. A lamp base is secured to the rear portion of the outer evelope. A bulb is secured to the inner end of the post.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: September 18, 1990
    Assignee: RCS Industries, Inc.
    Inventors: Robert C. Sorensen, Thomas S. Hendrickson
  • Lamp with removable bulb capsule
    Patent number: 4816977
    Abstract: The lamp has a frustoconical reflector with a mounting shell attached to its small end. A removable member includes a threaded base and socket. The socket protrudes through the hole in the mounting shell and into the reflector. It removably receives a replaceable bulb capsule. Means are provided for retaining the removable member to the mounting means.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: March 28, 1989
    Assignee: RCS Industries, Inc.
    Inventor: Robert C. Sorensen