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US5100603A
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Method of recycling multimaterial containers
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US5041250A
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Polymer bonding grains of sand using styrofoam fluff as an adhesive
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US5129587A
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Method of making polystyrene fluff from foamed polystyrene
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US5055350A
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Composite railroad cross-tie
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US4997609A
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Polymer bonding grains of sand to form useful objects
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US4695399A
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Method of making a contact lens material which may be identified by colored fluorescence
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US4758064A
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Compressed fiber optic cable
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US4659522A
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Method of spin casting an ophthalmic device with a central aperture
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US4710327A
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Method of molding an eye color change contact lens blank
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US4710328A
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Method of making an eye color change contact lens
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US4738520A
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Eye color change contact lens
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US4632773A
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Method of making a contact lens material which may be identified
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US4666640A
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Method of making a spin cast gradient light absorbing contact lens
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US4725133A
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Corneal color change device with wide fitting latitude
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US4640805A
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Method of selectively tinting cast lenses
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US4639105A
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Spin cast ocular cosmetic device with color separation
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US4659524A
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Method of molding bifocal contact lenses
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US4657363A
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Fluorescent corneal color change device
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US4615593A
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Fluorescent non-optical corneal color change device
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US4592752A
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Non-optical corneal drug delivery
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