Ngai Shing Chan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A method of sealing lenses includes the steps of grinding the edges of at least two lenses, cleansing the lenses, positioning the lenses next to one another, applying an adhesive to the ground edges of the lenses and placing the lenses in an oven to cure the adhesive to produce a laminated, hermetically-sealed, lens.
Abstract: A method of sealing lenses includes the steps of grinding the edges of at least two lenses, cleansing the lenses, positioning the lenses next to one another, applying an adhesive to the ground edges of the lenses and placing the lenses in an oven to cure the adhesive to produce a laminated, hermetically-sealed, lens.
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