Patents by Inventor Ranobir Roychowdhury

Ranobir Roychowdhury 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).

  • Switchplate
    Patent number: D510013
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: September 27, 2005
    Assignee: Brass Elegans Inc.
    Inventor: Ranobir Roychowdhury
  • Switchplate
    Patent number: D511959
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: November 29, 2005
    Assignee: Brass Elegans Inc.
    Inventor: Ranobir Roychowdhury
  • Tree stand
    Patent number: D456737
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: May 7, 2002
    Inventor: Ranobir Roychowdhury
  • Fleur de lys bracket
    Patent number: D533766
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: December 19, 2006
    Inventor: Ranobir Roychowdhury
  • Victorian scroll bracket
    Patent number: D533767
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: December 19, 2006
    Inventor: Ranobir Roychowdhury
  • Carpet holder
    Patent number: D535181
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: January 16, 2007
    Inventor: Ranobir Roychowdhury
  • Clip
    Patent number: D536605
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: February 13, 2007
    Inventor: Ranobir Roychowdhury
  • Greek key carpet holder
    Patent number: D538145
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: March 13, 2007
    Inventor: Ranobir Roychowdhury
  • Clip
    Patent number: D538146
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: March 13, 2007
    Inventor: Ranobir Roychowdhury
  • Carpet holder
    Patent number: D550073
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: September 4, 2007
    Inventor: Ranobir Roychowdhury
  • Barbeque skewer
    Patent number: D411084
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: June 15, 1999
    Inventor: Ranobir Roychowdhury