| 申请人 |
AT & T TECHNOLOGIES, INC., NEW YORK, N.Y., US |
发明人 |
DAVIS, PAUL COOPER, READING, PA., US;JACKSON, RAYMOND GENE, INDIANAPOLIS, IND., US;NAHAS, JOSEPH JOHN, WYOMISSING, PA., US;NELSON, DALE HARVEY, CUMBERLAND, IND., US;ONG, DEWITT GAN, TEMPE, ARIZ., US |
