| 申请人 |
AMERICAN TELEPHONE AND TELEGRAPH CO., NEW YORK, N.Y., US |
发明人 |
GRADY, STEVEN CLIFFORD, THORNTON COLORADO 80241, US;GREENFIELD, JEFFREY LOUIS, HOWELL NEW JERSEY 07731, US;LOTHROP, JOHN RODNEY, LONGMONT COLORADO 80501, US;WITMORE, RONALD KIRK, LAFAYETTE COLORADO 80026, US |
