Patents by Inventor Frederick William Singer

Frederick William Singer 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: 3987949
    Abstract: A forms bursting apparatus having a brake bar which grips a document to be separated, transversely holding the document during the bursting operation. A bursting bar assembly forces the leading document portion against a rotating burster roll. A bursting bar, which grips the document, is swingably mounted for rotation with the bursting roll during the bursting.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: October 26, 1976
    Assignee: International Business Machines Corporation
    Inventors: Donald Franklin Manning, Frederick William Singer, Joseph James Student