Patents by Inventor Melvin G. Crandell

Melvin G. Crandell 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).

  • Alarm for an electrophotographic printing machine
    Patent number: 3945728
    Abstract: An apparatus in which the failure to remove an original document from a housing after the elapse of a preselected duration of time is detected.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: March 23, 1976
    Assignee: Xerox Corporation
    Inventor: Melvin G. Crandell
  • Paper overfeed tray
    Patent number: D246373
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: November 15, 1977
    Assignee: Xerox Corporation
    Inventors: Melvin G. Crandell, Richard E. Reeves, Leonard Schachner, David A. Benner