73262241
May 15, 1980
Jun 14, 1983
Infrared Microscopes, Microscope Objectives, Eyepiece Assemblies, Illuminators for Infrared Microscopes, Power Supplies for Infrared Microscopes and Illuminators, Infrared Polarizers and Analyzers, Binocular Viewing Attachments for Infrared Microscopes, Reflex Photographic Cameras and Mounting Arrangements for Use with Infrared Microscopes, Infrared Alignment Apparatuses, Infrared Document Inspection Microscopes, Angle Polishing Blocks, Adjustable Lapping Fixtures, Photographic Adapters, Infrared Flourescence Excitation Sources and Mounting Bases for Microscopes
Electrical and Scientific Apparatus