2 trademarks were found for owners matching the name McDonnell Information Systems Limited.
#Classstatus
1 S:74516010
M:MDIS MCDONNELL INFORMATION SYSTEMS

O:McDonnell Information Systems Limited
9 Dead
2 S:73084332
M:REALITY
O:MCDONNELL INFORMATION SYSTEMS LIMITED, MICRODATA CORPORATION
9 Dead
Trademark Alertz updated from USPTO on 2030-01-24