Intercall Systems Inc. Trademarks
MASTERCALL
Filed: August 26, 1981
Electronic Transmission and Remote Reception Apparatus for Providing Communication and Signalling Between Nurses and Patients…
Owned by: Intercall Systems Inc.
Serial Number: 73325289
INTERCALL
Filed: September 27, 1982
Electronic Intercom Apparatus for Providing Communication and Signalling Between Nurses and Patients
Owned by: Intercall Systems Inc.
Serial Number: 73389365
