Patents by Inventor Robert Polan

Robert Polan 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).

  • Upright piano
    Patent number: D890250
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: July 14, 2020
    Assignee: Steinway Musical Instruments, Inc.
    Inventors: Marco Gallegos, Robert Polan
  • Upright piano
    Patent number: D907109
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 5, 2021
    Assignee: Steinway Musical Instruments, Inc.
    Inventors: Marco Gallegos, Robert Polan
  • Upright piano
    Patent number: D928223
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: August 17, 2021
    Assignee: Steinway Musical Instruments, Inc.
    Inventors: Marco Gallegos, Robert Polan