U.S. federal trademark · Serial No. 74214096
E.S.P. modules are unique printed circuit boards which can be combined to form PC compatible systems; there are from 4 to 8, 5.2" X 1.7" double sided, surface mount boards that combine in a variety of compact packages
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.