U.S. federal trademark · Serial No. 73452564 · Reg. No. 1317820
Plug-In Circuitboard for Use with a Personal Computer, in Providing User-Definable Signal Waveforms of Selectable Configuration, Frequency, Symmetry and Other Operational Characteristics
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.