Patents by Inventor Maxwell Steinhardt

Maxwell Steinhardt 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).

  • Multiple index printwheel
    Patent number: 4324498
    Abstract: A printwheel for an impact printer is disclosed. The printwheel has a central hub in which are located several index holes. The printwheel is also provided with multiple sets of character of symbol type fonts, each set having an index hole associated therewith and each index hole being located in the same relative position with respect to its associated set.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: April 13, 1982
    Assignee: Qume Corporation
    Inventor: Maxwell Steinhardt