Practical Telephony Inc. Trademarks
PRACTICAL TELEPHONY
Filed: December 21, 1994
electronic telephone auxiliary apparatus for providing privacy in a telephone system where multiple handsets are connected…
Owned by: Practical Telephony Inc.
Serial Number: 74613325
CALLER ALERT
Filed: November 30, 1995
electronic message indicator for voice mail telephone systems
Owned by: Practical Telephony Inc.
Serial Number: 75025873
