ISDN echo cancellation circuit (digital chip) PEB 20901

Status

Published

on 13 Jun 2007

Year of Creation

1988

Siemens, A.G

Registration Number

MW0000005502

on 13 Jun 2007

The U.S. Copyright record (Registration Number: MW0000005502) dated 13 Jun 2007, pertains to an electronic file (eService) titled "ISDN echo cancellation circuit (digital chip) PEB 20901" created in 1988. The copyright holder is Siemens, A.G, known for their creative contributions in mask work registration. For any inquiries concerning this copyrighted material, kindly reach out to Siemens, A.G.

Siemens, A.G

Application Details

Registration Number

MW0000005502

Registration Date

6/13/2007

Year of Creation

1988

Agency Marc Code

DLC-CO

Record Status

New

Physical Description

4 semiconductor chips in housings + col. composite plot

Corporate Authors

A.G Siemens

Notes

Material Matter Claimed Note: New Matter: "new & original mask work."

Notes

Material Matter Claimed Note: New Matter: "new & original mask work."

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