Dual Reel Patents (Class D14/476)
  • Cassette for toys
    Patent number: D500764
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: January 11, 2005
    Assignee: Takara Co., Ltd.
    Inventor: Hiroyuki Matsukawa
  • Digital music cartridge
    Patent number: D438871
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: March 13, 2001
    Inventor: Chin-Kuang Luo
  • Tape cassette
    Patent number: D475058
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: May 27, 2003
    Assignee: Sony Corporation
    Inventor: Masaki Suzuki
  • Cassette adapter
    Patent number: D956017
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 28, 2022
    Inventors: Kaizan Su, Bin Miao
  • Cassette adapter
    Patent number: D956717
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: July 5, 2022
    Inventors: Kaizan Su, Bin Miao