Adjustable stand for mounting a video camera

Adjustable support for digital camera

Adjustable support-type holder for binoculars

Adjusting handles for base assembly for microscopes

Adjustment attachment for spectacle temples

Adjustment lever for attachment to a scope adjustment ring

Adornment for eyeglass temples

Advertisement sign projecting device

Aerodynamic visor-lens sunglasses

Afocal telescope converter attachment for a binocular or similar

Agglutination viewer with fiber optic light pipe and magnetic ma

Alignment ring for camera lens

All-weather camera

Alligator glasses

Anti-glare eyeglasses or similar article

Anti-laser protective spectacles

Apparatus for converting movie films to video tape

Apparatus for depositing cell sample on microscopic slide

Apparatus for depositing cell samples on microscope slide

Apparatus for depositing cell samples on microscopic slide