Patents by Inventor David R. Perkins

David R. Perkins 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: 4399494
    Abstract: A decorative lamp comprises a chimney and an illumination source in the form of a candle or oil lamp. The oil lamp or candle is supported by an integral hanger that rests against the side of the chimney and provides an appropriate standoff to center the illumination source within the chimney. The hanger also has a hook that engages the top of the chimney and a leg that properly orients the illumination source vertically within the chimney.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: August 16, 1983
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Patent number: 4065016
    Abstract: A compound vessel is provided which has many decorative and functional applications. The compound vessel is formed of a transparent material and has a spheroidal main body. The main body is comprised of spheroidal inner and outer walls with an annular space defined therebetween. The annular space constitutes an outer vessel of the compound vessel and the space contained by the inner wall constitutes an inner vessel of the compound vessel. The outer and inner walls join at one extremity of the spheroidal main body of the compound vessel to close the outer vessel and form the periphery of a generally circular mouth opening into the inner vessel, the inner vessel being otherwise closed. The outer wall terminates at an opposite extremity of the spheroidal main body of the compound vessel to form the periphery of a generally circular mouth opening into the outer vessel, the outer vessel being otherwise closed.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: December 27, 1977
    Inventor: David R. Perkins
  • Patent number: D244013
    Type: Grant
    Filed: October 22, 1975
    Date of Patent: April 12, 1977
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Patent number: D271046
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: October 18, 1983
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Patent number: D271056
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: October 18, 1983
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins