Patents Assigned to David Gessner Company
  • Patent number: 3973359
    Abstract: Apparatus for abrading fabric traveling along a directed path of travel having a plurality of cylindrical members covered with a fabric abrading surface circumferentially supported and spaced from each other for contacting and abrading fabric and means for releasably securing the cylindrical members when the abrading surface is worn to expose unworn fabric abrading surfaces to the traveling fabric.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: August 10, 1976
    Assignee: David Gessner Company
    Inventors: John Spencer, Ferdinand Ruepp, Robert Whewell