Multicolor hologram and method for forming same
Multicolor liquid crystal display device having printed color fi
Multicolor optical filter with a united interference filter and
Optical fiber connector assemblies and methods of making the ass
Optical fibre reflective diffraction grating devices
Optical waveguide coupling device
Optical waveguides
Photo-identification card pack
Photographic developer/amplifier compositions
Photographic developer/amplifier compositions
Photographic film assemblage
Photographic film assemblage having interconnected film units
Photographic film assemblage with improved leader
Photographic film unit and cartridge assembly
Photographic materials for non-silver images and process for for
Photographic method for printing a viewing-screen structure usin
Photographic system with off-the-film exposure metering
Photopolymerizable composition
Photosensitive material package unit provided with exposure func
Photosensitive material processing apparatus in use with a solid