DYNAMIC SIGNAL TRANSFER
USPTO Trademark Record · Serial No. 74227670
Trademark details
It was initially claimed by TELLABS OPERATIONS, INC. on 19911203.
That brand applies to the following goods and services:echo cancellers and training manuals sold together as a unit.
Currently that trademark is represented by trademark attorney(s): Robert E. Browne.
You can learn more about that trademark on the USPTO website: View the USPTO record
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