Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 6464354 | Eyeglasses with improved lens tilting support structure An improved eyeglasses construction including molded plastic temple assemblies each having a hinged joint intermediate its ends for limited pivotal movement permitting adjustment of the lens frame about the horizontal axis of the hinged joint. One piece o... | 10/15/2002 |
| 5980038 | Angularly adjustable temples for eyeglasses Angularly adjustable temples are disclosed which can be attached to a pair of eyeglasses. Each temple includes an end which is hinged to the eyeglasses for rotation inwardly along the lens of the glasses. Each temple includes first and second parts having... | 11/09/1999 |
| 5657106 | Safety goggle assembly including corrective lenses A safety goggle assembly in combination with a pair of glasses including corrective lenses. The safety goggles have at least one lens formed of a safety type material. The corrective glasses have at least one lens in a frame in which the frame is form wit... | 08/12/1997 |
| 5608470 | Prescription lens attachable to safety glasses A prescription lens attachable to a safety glass frame. The safety glass frame is provided with a single lens, a center cross pin and indentation on an inner surface of the safety glass frame juxtaposed the temple pivot pin. A prescription frame includes ... | 03/04/1997 |
| 5493348 | Means for mounting a prescription lens accessory onto a pair of glasses A pair of glasses to which an eyeglass accessory is secured by use of at least one T-slot on the pair of glasses and a complementally-shaped T-bar on the eyeglass accessory. In a preferred embodiment the eyeglass accessory allows corrective prescription l... | 02/20/1996 |
