Patents by Inventor Kalpana Surendra Anand

Kalpana Surendra Anand 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).

  • Retractable top press ballpen
    Patent number: D508717
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: August 23, 2005
    Assignee: Rover Writing Instruments
    Inventor: Kalpana Surendra Anand
  • Retractable top press ballpen
    Patent number: D509852
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: September 20, 2005
    Assignee: Rover Writing Instruments
    Inventor: Kalpana Surendra Anand
  • Retractable top press ballpen
    Patent number: D512457
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: December 6, 2005
    Assignee: Rashmi Writing Instruments
    Inventor: Kalpana Surendra Anand
  • Retractable twist action ballpen
    Patent number: D512459
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: December 6, 2005
    Assignee: Rover Writing Instruments
    Inventor: Kalpana Surendra Anand