Mark Identification

SONO MASTER

Serial Number

75330484

Filing Date

Jul 25, 1997

Registration Date

May 25, 1999

Trademark by

KONINKLIJKE PHILIPS ELECTRONICS N.V.

Classification Information

acoustic echo canceller software to be used in personal computer based video conferencing systems; PC add-on cards and floppy disks with software programs for acoustic echo cancelling

Electrical and Scientific Apparatus