William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 6827885 | Methods and devices to control polymerization A method and mold assembly to control the polymerization of a molded article. In one embodiment, an amorphous posterior mold comprising a non-critical surface having a controlled radius of curvature is used to produce molded articles. In an alternate embodiment, oph... | 12/07/2004 |
| 6788399 | Ophthalmic article inspection system An assembly and method for inspecting ophthalmic lenses includes a light source and a 360° light structuring aperture configured to direct structured light toward an open center where a lens is positioned for imaging by an imaging device positioned beneath the asse... | 09/07/2004 |
| 6772988 | Method and mold to control optical device polymerization A method and mold assembly to control the polymerization of a cast optical device. The mold assembly includes at least one mold portion having a non-critical surface with fresnel or diffractive geometry. Alternately, a fresnel lens or diffractive lens may be placed ... | 08/10/2004 |
| 6767363 | Accommodating positive and negative intraocular lens system An accommodating intraocular lens system including a higher diopter positive intraocular lens and a lower diopter negative intraocular lens. The positive intraocular lens includes a positive optic portion having an outer peripheral edge and two or more haptic elemen... | 07/27/2004 |
| 6764176 | Eyewear magnifying loupe An eyewear loupe having one or more magnifying lenses for removable attachment to an eyewear includes up to three eyewear-engaging spaces allowing attachment to a variety of different sized eyewear. An adapter for attaching to the shield of shield-type eyewear is pr... | 07/20/2004 |
| 6755859 | Iris fixated intraocular lenses A refractive anterior chamber iris fixated intraocular lens including an optic portion having an outer peripheral edge and two or more but preferably two haptic elements. Each haptic element is manufactured to have an inner portion and an outer free end portion for ... | 06/29/2004 |
| 6729939 | Polishing method for intraocular lens A method for removable attachment of a mask to an IOL to protect a sharp peripheral edge of the IOL optic during polishing. ... | 05/04/2004 |
| 6729835 | Handling assembly for fixturing ophthalmic lenses An assembly for orienting and fixturing an array of contact lenses in a lens-fixturing tray to enable automated picking of the lenses includes an array of tubes to which a first support tray having an array of lens receptacles each having a respective contact lens t... | 05/04/2004 |
| 6719556 | Ophthalmic mold handling system A handling assembly for ophthalmic mold parts between processing stations of a manufacturing line comprises a planar mold cartridge adapted to hold about 1000 mold parts at a time. ... | 04/13/2004 |
| 6685740 | Device for inserting a flexible intraocular lens This invention is a device for inserting a flexible intraocular lens (12) into an eye comprising a tubular member (16) and a plunger (18). The tubular member includes a staging area (45), a lumen, and an open distal end (95). The staging area supports uns... | 02/03/2004 |
| 6638362 | Methods for separating material from a mold surface Method for removing unwanted excess material from a mold section is particularly adapted for removing a monomer ring adhered within a reservoir of a female mold section used to mold a contact lens. The invention involves piercing the monomer ring and rota... | 10/28/2003 |
| 6609958 | Apparatus and method for edging a contact lens Apparatus and method for edging an ophthalmic lens comprises a spindle on which a lens is removably positioned and set rotating to engage with a web of abrasive material which is secured at only one end thereof. The free end of the web is allowed to dangl... | 08/26/2003 |
| 6601315 | Combined fluidized bed dryer and absorption bed A combined fluidized bed dryer and absorption bed allows an absorbant to be dried to remove any moisture therefrom immediately followed by treating a product material with the dried absorbant, all in the same vessel, such that the absorbant is at its opti... | 08/05/2003 |
| 6581761 | Mesh tray assembly A tray assembly for holding small devices such as polymeric ophthalmic lenses includes a mesh insert having a plurality of wells for containing individual lenses. The assembly may also include a support tray having a perimeter substantially conforming in ... | 06/24/2003 |
| 6574810 | Infant seat A seat for supporting an infant which may be configured to resemble a flower. The seat may also be used as a pet bed. The seat includes a center portion upon which the infant is seated with one or more side supports extending outwardly therefrom to substa... | 06/10/2003 |
| 6558584 | Apparatus and method for handling an ophthalmic lens Apparatus and method for handling an ophthalmic lens in a manufacturing line where lenses are presented for picking and transport to a respective lens receptacle. The problem of lens fly-away is prevented by a cover which releasably couples to the lens pi... | 05/06/2003 |
| 6558419 | Intraocular lens An intraocular lens for inhibiting posterior capsular opacification, or secondary cataract, includes an optic having a periphery provided with at least two sharp edges which lie radially spaced from each other with respect to the optical axis of the lens ... | 05/06/2003 |
| 6543984 | Lens transfer method and devices A method, device and trays for transferring ophthalmic lenses from one work station to another. The first tray supports the lenses after release from the mold. The second tray supports the lenses during further processing including surface treatment. The ... | 04/08/2003 |
| 6514436 | Apparatus and method for clamping and releasing contact lens molds Apparatus for clamping together contact lens molds having a polymerizable liquid monomer disposed therebetween includes a plurality of clamping assemblies each having a linearly translatable shaft member mounted to a contact lens curing table. A common mo... | 02/04/2003 |
| 6471708 | Intraocular lens and additive packaging system A packaging system for an intraocular lens and optionally an additive material that can be used to insert a packaged intraocular lens into an eye through a relatively small incision. Methods for inserting an intraocular lens into an eye using such packagi... | 10/29/2002 |
| 6417894 | Adjustable magnifying apparatus and method for viewing video or computer screens The present invention is directed to an optical device and method for adjustably magnifying the visual displays on the screen of a computer monitor or the like, the invention comprising an adjustable arm for supporting at least one magnifying lens in fron... | 07/09/2002 |
| 6368096 | Apparatus for separating material from a mold surface Apparatus and method for removing unwanted excess material from a mold section is particularly adapted for removing a monomer ring adhered within a reservoir of a female mold section used to mold a contact lens. The invention involves piercing the monomer... | 04/09/2002 |
| 6347870 | Handling assembly for fluid processing of ophthalmic lenses An assembly for fluid processing of an array of ophthalmic lenses includes a support having an array of holes in which an array of lens receptacles are removably positioned for fluid processing. A cover is placed over the support and lenses and include a ... | 02/19/2002 |
| 6276797 | Article transfer method A method for transferring an article from a first receptacle to a second receptacle and, optionally, changing the orientation of the article. A contact lens is initially concave side-down within a well containing solution. By freezing the solution contain... | 08/21/2001 |
| 6197227 | Toric axis alignment machine and method A method and apparatus for practicing the method of making toric contact lenses having a toric axis and ballast axis located on the anterior and posterior surfaces of a lens. Detectable features are formed on the anterior and posterior mold sections corre... | 03/06/2001 |
| 6102539 | Sunglass lens laminate An improved sunglass lens laminate has first and second lens portions joined by an adhesive, wherein the adhesive at least one of (1) an ultraviolet absorber in an amount sufficient to block substantially all solar radiation up to about 400 nm, and (2) a ... | 08/15/2000 |
| 6024444 | Eyewear lens retention apparatus and method Lens retention in an eyewear having a front frame having continuous rim type right and left eye openings each having a substantially L-shaped cross-section formed of any desired material. A lens having a beveled edge is placed in a respective eye opening ... | 02/15/2000 |
| 5987702 | Connecting device, particularly for eyeglasses A connecting device, particularly for mutually connecting components of eyeglasses such as temples and a front and/or a lens and a lens and/or an eyewire and an eyewire and/or a temple and a temple. The device is constituted by at least one element which ... | 11/23/1999 |
| 5980037 | Electric connection configuration for electro-optical device An electric connection configuration for an electro-optical device comprises a brow bar member which houses the electronics of the device, and a pair of flexible conductor tabs which attach to the electronics in the housing and extend therefrom to form el... | 11/09/1999 |
| 5977527 | Changeover fixture for induction brazing work station A fixture for an induction brazing station includes a removable front plate on which is mounted a work piece holder. The base of the induction unit mounts to a back plate lying coplanar with the front plate on the work surface. The coil of the induction u... | 11/02/1999 |
| 5898470 | Electric path frame construction for eyewear An electrically conductive framework for eyewear providing mutually insulated, plural conducting paths placed in coaxial relationship. The base metal of the eyewear frame comprises the first electrically conductive lead with an insulative coating being ap... | 04/27/1999 |
| 5880806 | Eyewear frame construction An eyewear apparatus and method for attaching various eyewear frame components together to form a single front frame unit where the components are formed from different material such as metals and plastics. Right and left eye members define right and left... | 03/09/1999 |
| 5777714 | Eyewear frame construction An eyewear front frame construction having first and second frame components in the form of a unitary, plastic brow bar having a pair of integral nose pads extending downwardly therefrom, and a pair of eyewires having a central bridge, respectively. The f... | 07/07/1998 |
| 5737055 | Nosepiece for eyewear A nosepiece for eyewear comprises a front half and back half which are formed of materials having different hardness values with the front half being harder than the back half. The nosepiece is of generally U-shaped configuration and is releasably attacha... | 04/07/1998 |
| 5733585 | Apparatus for rotationally aligning a feature of an optical tool with a gate in an injection molding apparatus A selectively, rotatably adjustable riser pin for aligning a predetermined characteristic on an asymmetrical mold surface with the gate of an injection molding machine for enhanced flow dynamics of the mold material across the mold surface. The riser pin ... | 03/31/1998 |
| 5722536 | Disposable contact lens package with snap-together feature A disposable contact lens package includes a plurality of legs extending from the periphery thereof which may be placed in releasable, meshing engagement with the legs of a second identical package placed in stacked relation to the first package, the two ... | 03/03/1998 |
| 5685186 | Base curve bender An eyewinder system 10 has stations 100-108 for straightening, bending, measuring and transporting a wire 11 to form an eyewire 109. A controller 120 controls each station. Using information from tension and length measuring stations 104, 105, the control... | 11/11/1997 |
| 5682221 | Hybrid temple connecting assembly for eyewear Apparatus for connecting a temple to a metal eyewire comprises a plastic connecting member having a first portion which extends between and is attached to first and second lateral end pieces of the eyewire, and a second portion which is angularly disposed... | 10/28/1997 |
| 5673095 | Dual rate spring-action eyewear temple A spring-action temple for eyewear includes an L-shaped notch formed in the outwardly facing surface of the temple, the notch forming a finger portion having a tip portion. As a lateral force is applied to the back end of the temple, the temple flexes at ... | 09/30/1997 |
| 5666181 | Spring temple for eyewear A spring-action temple having two main front and rear temple segments. The front temple segment attaches to the eyewear front at a front end thereof and forms includes a leaf spring at the rear end thereof. The rear temple segment includes an opening at t... | 09/09/1997 |