HARKNESS SCREENS by Harkness Screens International Limited (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 16-Dec-2008 Serial number: 79064531
HARKNESS PLAN by Phillips Exeter Academy (Track this)
Intl: (041) Education and entertainment US: 100; 101; 107 Filing date: 19-Nov-1999 Serial number: 75854207
HARKNESS TABLE by Phillips Exeter Academy (Track this)
Intl: (041) Education and entertainment US: 100; 101; 107 Filing date: 19-Nov-1999 Serial number: 75854208