Cash Register Or Calculator Patents (Class D21/512)
  • Patent number: D534965
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: January 9, 2007
    Assignee: Action Electronics Co., Ltd.
    Inventor: Li Ping Chung
  • Patent number: D470543
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: February 18, 2003
    Assignee: Summit Financial Products, Inc.
    Inventors: Michael J. Searls, David Wong
  • Patent number: D659772
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: May 15, 2012
    Assignee: MerchSource, LLC
    Inventor: Barry Messner
  • Patent number: D418550
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: January 4, 2000
    Assignee: Programming Concepts, Ltd.
    Inventor: Douglas Powell
  • Patent number: D964480
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: September 20, 2022
    Inventor: Shuzhong Guo
  • Patent number: D993567
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: July 25, 2023
    Inventor: Li Tian
  • Patent number: D1007601
    Type: Grant
    Filed: August 17, 2023
    Date of Patent: December 12, 2023
    Inventor: Qingyu Zhan
  • Patent number: D1019808
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: March 26, 2024
    Inventor: Biqiu Yang