Patents by Inventor Carl B. Fisher

Carl B. Fisher 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: 4152747
    Abstract: An electrode which has at least one internal channel and an adjustable gate or slot to permit passage of gaseous material to be ionized from the internal channel and then in proximity to one or more outside faces of the electrode in a suitable area of electron emission, the electrode being placed in an electrical field in convenient proximity to an electrode or body of opposite charge.
    Type: Grant
    Filed: March 2, 1977
    Date of Patent: May 1, 1979
    Assignee: Xerox Corporation
    Inventor: Carl B. Fisher