U.S. federal trademark · Serial No. 87462033 · Reg. No. 5369068
An optical accessory holder, in the nature of an adapter or a focuser drawtube, to properly align removable parts, for use with but not limited to mirrors, lenses, and prisms, of cylindrical optical devices, such as but not limited to cameras, microscopes, telescopes, and eyepieces
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.