Mark Identification

TWODEPEP

Serial Number

73255137

Filing Date

Feb 12, 1980

Registration Date

Oct 27, 1981

Trademark by

IMSL INC.

Classification Information

Printed Reference Manuals Containing Detailed Discussion of Computer Programs Recorded on Magnetic Tape for Use in Solving Partial Differential Equations; Printed Instruction Books in the Form of Systems Documents Explaining the Use of Computer Programs on Magnetic Tapes for Use in Solving Partial Differential Equations

Paper Goods and Printed Matter