Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7377637 | Hybrid contact lens system and method of fitting A hybrid contact lens comprises a substantially rigid zone having an aspheric base curve with a given apical radius and a substantially flexible hydrophilic peripheral portion coupled to the substantially rigid zone, the peripheral portion having one of a plurality ... | 05/27/2008 |
| 7329001 | Methods for improving the hydrophilicity of contact lenses and contact lenses having the same The present invention relates to contact lenses manufactured using a gas permeable material with improved hydrophilicity. A method for improving the hydrophilicity of the contact lens includes providing a contact lens comprising a gas permeable contact lens material... | 02/12/2008 |
| 7322694 | Hybrid contact lens system and method A hybrid contact lens comprises a central zone comprising a substantially rigid, gas permeable material having a DK of at least 30, a relatively soft peripheral zone and an intermediate zone comprising a film or coating that is created around the central zone, and t... | 01/29/2008 |
| 7018039 | Contact lens A contact lens is provided. One embodiment of the present invention provides a method for fitting and prescribing a contact lens. Another embodiment of the present invention comprises a contact lens construction that provides a stable prescription platform. Yet anot... | 03/28/2006 |
