Mark Identification

OPENBOOK

Serial Number

74455671

Filing Date

Nov 9, 1993

Registration Date

Oct 11, 1994

Trademark by

CADENCE DESIGN SYSTEMS INC.

Classification Information

computer database and interactive computer programs recorded on compact discs and other magnetic and optical media for documenting and providing instructions in the use of other computer software and hardware products and related user's instructional manuals and booklets supplied as a unit

Electrical and Scientific Apparatus