 
                 Photran Corporation
                                    Photran Corporation
                                 Dmitri  Kowalevskii
                                    Dmitri  Kowalevskii
                                 H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
                                    H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
                                 Photran Corporation
                                    Photran Corporation
                                 R. Russel Austin
                                    R. Russel Austin
                                 B32 - LAYERED PRODUCTS
                                    B32 - LAYERED PRODUCTS
                                 Photran Corporation
                                    Photran Corporation
                                 Ivan M. Obushenko
                                    Ivan M. Obushenko
                                 C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
                                    C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
                                 Photran Corporation
                                    Photran Corporation
                                 R. Russel Austin
                                    R. Russel Austin
                                 G06 - COMPUTING CALCULATING COUNTING
                                    G06 - COMPUTING CALCULATING COUNTING
                                 Photran Corporation
                                    Photran Corporation
                                 Samuel F. Pellicori
                                    Samuel F. Pellicori
                                 G02 - OPTICS
                                    G02 - OPTICS
                                 Photran Corporation
                                    Photran Corporation
                                 R. Russel Austin
                                    R. Russel Austin
                                 H04 - ELECTRIC COMMUNICATION TECHNIQUE
                                    H04 - ELECTRIC COMMUNICATION TECHNIQUE
                                 Photran Corporation
                                    Photran Corporation
                                 Ivan M. Obushenko
                                    Ivan M. Obushenko
                                 H01 - BASIC ELECTRIC ELEMENTS
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 Photran Corporation
                                    Photran Corporation
                                 R. Russel Austin
                                    R. Russel Austin
                                 B32 - LAYERED PRODUCTS
                                    B32 - LAYERED PRODUCTS
                                 Photran Corporation
                                    Photran Corporation
                                 David E. Stevenson
                                    David E. Stevenson
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Photran Corporation
                                    Photran Corporation
                                 R. Russel Austin
                                    R. Russel Austin
                                 G02 - OPTICS
                                    G02 - OPTICS
                                 Photran Corporation
                                    Photran Corporation
                                 David E. Stevenson
                                    David E. Stevenson
                                 H01 - BASIC ELECTRIC ELEMENTS
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 Photran Corporation
                                    Photran Corporation
                                 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 Photran Corporation
                                    Photran Corporation
                                 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 Photran Corporation
                                    Photran Corporation
                                 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 Photran Corporation
                                    Photran Corporation
                                 2 - Paints, varnishes, lacquers
                                    2 - Paints, varnishes, lacquers
                                 Photran Corporation
                                    Photran Corporation
                                 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
                                    1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
                                 Photran Corporation
                                    Photran Corporation
                                 40 - Treatment of materials
                                    40 - Treatment of materials
                                 Photran Corporation
                                    Photran Corporation
                                 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 Photran Corporation
                                    Photran Corporation
                                 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                    9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
                                 Photran Corporation
                                    Photran Corporation
                                 19 - Building materials (non-metallic)
                                    19 - Building materials (non-metallic)