Dental binoculars

Deployable lens camera

Design for spectacles

Design for sunglasses

Desk drawer microfiche reader

Desk drawer microfiche reader

Detachable magnetic sun visor

Detail tape reviewer

Developer container

Developer powder container

Developer solution cartridge

Developing device for electrophotographic copier

Developing device for electrophotographic copier

Developing device for electrophotographic copier

Developing unit for an electrographic copier

Developing unit for copying machine

Device combined functionable telescope with microscope

Device for cleaning contact lenses

Device for elevating the lenses of eyeglasses

Device for redirecting and reflecting light from a camera flash