MODEM EXPRESS by MODEM EXPRESS, INC. (Track this)
Intl: (037) Building construction and repair; (042) Computer, scientific & legal US: 100; 103; 106; 100; 101 Filing date: 16-Jan-1990 Serial number: 74019850
SMARTMODEM 2400 by HAYES MICROCOMPUTER PRODUCTS, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021 Filing date: 23-Nov-1984 Serial number: 73510199