FRONTDESK
Filed: August 22, 1991
voice mail system with automated call transfer features for businesses comprised of a personal computer with a communications…
Owned by: DuVoice Corporation
Serial Number: 74197121
MESSAGEDESK
Filed: September 9, 1991
voice mail system for businesses comprises of a personal computer with a communications board and software
Owned by: DuVoice Corporation
Serial Number: 74201412
DU VOICE
Filed: October 15, 1991
voice mail systems with automated call transfer features for businesses comprised of a personal computer with a communications…
Owned by: DuVoice Corporation
Serial Number: 74211885
FRONTDESK
Filed: September 20, 1993
voice mail system for business comprised of a personal computer with a communications board and software
Owned by: DuVoice Corporation
Serial Number: 74437635
