Optical lenses; laboratory apparatus and instruments, namely, photometers, gas testing instruments, Lenses for microscopes; photographic machines and apparatus, namely, cameras; cinematographic machines and apparatus; optical machines and apparatus, namely, optical inspection apparatus; measuring or testing machines and instruments, namely, photometers, water level indicators; power distribution or control machines and apparatus, namely, coordinate measuring machines; rotary converters; phase...

Article for facilitating identification of the content of prescription containers, namely, a flexible ring that slides over a standard prescription medication bottle, the ring displaying in writing, by color, and/or in braille an identification of the contents of the bottle