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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 |
| 7343631 | Goggles structure A goggles structure reduces its overall weight and rigidity to improve the comfort of wearing, which provides better ventilation and prevents its wearing without a lens. The goggles comprise a goggles frame including a frame and a connecting section, a lens, a pair ... | 03/18/2008 |
| 7314277 | Bridge structure for glasses and nose pad thereof A bridge structure for glasses and nose pad thereof is disclosed. The bridge structure for glasses includes a connecting portion and two nose pads. The connecting portion has a joint hole and a clipping portion. Each of the two nose pads has an anti-sliding structur... | 01/01/2008 |
| 6966646 | Self-assembly glasses A pair of self-assembly glasses includes a frame, a fixing member and a lens suit. The frame includes a body and a pair of arms pivotably connected to opposite sides of the body. The body is made through integral molding. A number of positioning holes are defined in... | 11/22/2005 |
| 6896365 | Soft pad structure of glasses The present invention discloses a soft pad structure of glasses having a soft pad. The soft pad includes a fixing member of long shape to wrap the edge of an upper portion of the eyeglass. The fixing member forwarding the inner and outer sides of the eyeglass extend... | 05/24/2005 |
| 6783235 | Fog-free protective glasses A pair of fog-free protective glasses has a frame and a lens. The frame has an embedded portion and a pair of temples pivotally connecting to two ends of the embedded portion. The embedded portion has upper and lower embedded plates to define an embedded groove ther... | 08/31/2004 |
| 6729724 | Spectacle lens holding structure A spectacle lens holding structure comprises a spectacle lens having a indent on side of connecting temple wherein the horizontal inside of indent has a positional strip, and vertical side of positional strip includes a fastening gibbous object; and a holding member... | 05/04/2004 |
| 6585371 | Eyeglass frame having tension adjustable temple coupling The structure of changeable spring of industrial glasses comprises a plastic glasses frame; a hinge means comprising a first hinge member and a second hinge member, the first hinge member fixed on one the of the glasses frame and pivotally connected with ... | 07/01/2003 |
| 6568806 | Spectacle apparatus having replaceable nose pad The nose pad for a spectacle frame comprises a spectacle frame, being a industrial spectacle frame, locating a rabbet on the pivotal portion and a plurality of rack members to two opposed side of bridge wherein said rabbet locating said rack member above;... | 05/27/2003 |
| 6106117 | Assembled structure of a nose mat matched to a nose supporter An assembled structure of a nose mat matched to a nose supporter is disclosed. The structure includes a nose mat and a nose supporter which have an inverse V shape and can be used to match the concave portion of the nose bridge portion of a glasses. Adjus... | 08/22/2000 |
| 5828438 | Bridge pad and mounting structure for attachment to spectacles The present invention relates to a bridge structure of a spectacles, which including a bridge bracket and a pad bridge, co-operating with a spectacles and a screw. Wherein the bridge bracket is shaped like an inverted V letter and fixed on the middle bott... | 10/27/1998 |
| 5671040 | Soft pad bridge of spectacles The present invention provides a soft pad bridge of spectacles, which is essentially divided into an upper and a lower portions as a jogged clamp and a nose saddle. The pad bridge sticks to the bridge of the spectacle frame from the rear end, the nose sad... | 09/23/1997 |
| 5581312 | Pad bridge frame of spectacles The present invention provides a pad bridge frame of spectacles that includes two joint brackets extending downwardly and outwardly from the bridge of the spectacle frame having a circular recess in the middle portion, respectively. The pad bridge include... | 12/03/1996 |
