Markus
Mark Identification
S.O.S. SCHEDULING OFFICIAL SOFTWARE KELLER OPERATING SYSTEM INC. DISK 1, VERSION 1.0
Serial Number
75642830
Filing Date
Feb 17, 1999
Trademark by
KELLER OPERATING SYSTEM INC.
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Classification Information
Advertising and Business
Sale of computer software
Advertising and Business
KELLER OS OFFICE SUPPORT