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).

  • Chimney assembly for illumination sources
    Patent number: 5541824
    Abstract: A chimney assembly for an illumination source comprises a support including a tubular hub and a set of spokes radiating out from the hub. A chimney of a transparent material is shaped and arranged to sit on the support so that the outer ends of the spokes supportively engage the inner surface of the chimney.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: July 30, 1996
    Assignee: Glass Dimensions
    Inventor: David R. Perkins
  • Decorative oil lamp
    Patent number: 4689727
    Abstract: A decorative oil lamp comprises an enclosure formed by a pair of oppositely dished plates, the lower plate being reflective and the upper plate being transparent. An opening is present in the upper plate in which is supported a wick assembly consisting of a vertical tube and a wick therein whose lower end is immersed in oil present in the enclosure. When the upper end of the wick is lit, the reflective lower plate projects light from the flame upward and reflects the wick assembly so that it appears to be burning at both ends.
    Type: Grant
    Filed: August 14, 1986
    Date of Patent: August 25, 1987
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Combined oil lamp, vase or similar article
    Patent number: D281279
    Type: Grant
    Filed: August 11, 1983
    Date of Patent: November 5, 1985
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D299172
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: December 27, 1988
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D307638
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 1, 1990
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Decorative oil lamp
    Patent number: D307807
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: May 8, 1990
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D317052
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: May 21, 1991
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D331633
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: December 8, 1992
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D350616
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: September 13, 1994
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D351034
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: September 27, 1994
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D358221
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: May 9, 1995
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D374490
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: October 8, 1996
    Assignee: Glass Dimensions
    Inventor: David R. Perkins
  • Glass chimney for an illumination source
    Patent number: D377402
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: January 14, 1997
    Assignee: Glass Dimensions
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D380856
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: July 8, 1997
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Oil lamp
    Patent number: D386268
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: November 11, 1997
    Assignee: Glass Dimensions
    Inventor: David R. Perkins
  • Ash tray
    Patent number: D392408
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: March 17, 1998
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Ash tray
    Patent number: D396324
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: July 21, 1998
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Cigar humidifier
    Patent number: D398071
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: September 8, 1998
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Tobacco product container
    Patent number: D399598
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: October 13, 1998
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins
  • Ash tray
    Patent number: D411645
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: June 29, 1999
    Assignee: Glass Dimensions, Inc.
    Inventor: David R. Perkins