U.S. federal trademark · Serial No. 78055013
John Ryburn Services, Inc (JRS) is a service organization that provides support, repairs (including printed circuit boards), service, training, replacement parts and upgrades to electronic equipment (diffusion furnaces) used by its customers who are the manufacturers of silicon integrated circuit devices
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.