U.S. federal trademark · Serial No. 79186255 · Reg. No. 5107192
Lensmeters for measuring power, power distribution, refractive index, shapes of front and back surfaces and center of contact lenses, eyeglasses and optical lenses, not for medical use
[ Keratoscopes; tonometers; eye testing machines and apparatus ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.