Porta Systems Corporation Trademarks
PORTA SYSTEMS
Filed: November 22, 1978
Telephone Display Apparatus for Indicating Subscriber Line Condition
Owned by: Porta Systems Corporation
Serial Number: 73194340
TELECOMM-IT
Computer hardware and computer software for designing, maintaining and monitoring computer networks for use in the telecommunications…
Owned by: Porta Systems Corporation
Serial Number: 75819965
POSSIT
ELECTRONIC CIRCUITS AND COMPUTER SYSTEMS FOR TESTING TELEPHONE LINES
Owned by: Porta Systems Corporation
Serial Number: 76358827
