SYSTEM 21
Mark Identification

SYSTEM 21

Serial Number

73084753

Filing Date

Apr 22, 1976

Registration Date

Jun 13, 1978

Trademark by

COMPUTREX CORPORATION

Classification Information

PROFESSIONAL CONSULTATION AND RESEARCH SERVICES TO THE AIRLINE INDUSTRY-NAMELY, DESIGNING COMPUTER PROGRAMS TO AID IN THE EFFICIENT SCHEDULING OF FLIGHT CREWS AND AIRLINE PERSONNEL

Computer and Scientific