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