Patents by Inventor Mark S. Ain

Mark S. Ain 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).

  • Patent number: 4270043
    Abstract: This disclosure is concerned with time-clock recording and computation that, through a novel clock track card and separate clock track and data channel optical reading, in cooperation with microprocessor calculation, storage and control, enables automating employee time and attendance and similar data in a format directly recordable on the card and also directly useable by payroll or other processing computers and the like.
    Type: Grant
    Filed: March 13, 1979
    Date of Patent: May 26, 1981
    Assignee: Kronos Inc.
    Inventors: Larry K. Baxter, Robert D. Cohen, Mark S. Ain, Sheldon P. Apsell