Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7389779 | Combing device with adjustable teeth spacing A hair care device includes a hair comb with a plurality of combing teeth. The effective teeth spacing between adjacent combing teeth is adjustable. At least some of the combing teeth are thermally conductive so that heat can be conducted from the hair comb to a use... | 06/24/2008 |
| 7325549 | Hairdressing tool A hairdressing tool has a handle 1 formed by a longitudinally extending arcuate portion 2 and a spine 3. Extending from the spine are three teeth 41, 42, 43 arranged in a triangular formation such that there is provided a tooth 41 ... | 02/05/2008 |
| 7219884 | Pathology grossing tool A tool for holding tissue to be sampled in place to allow tissue samples of a prescribed thickness to be prepared from the held tissue. The tool includes at least one tine array for engaging and holding the tissue. First and second tine arrays may advantageously be ... | 05/22/2007 |
| 7156102 | Comb intended to facilitate application of a cosmetic product to locks of hair A comb for the hair including a body having a lengthwise axis (X). At least one first gap is defined between two teeth of a first pair of teeth, with this first gap having a first height. At least one second gap is defined between two teeth of a second pair of teeth... | 01/02/2007 |
| 7134439 | Comb and method for isolating at least one lock of hair A hair comb may include a succession of teeth having at least one tooth that bears a hook, and at least two teeth without hooks. The hook may extend at least in part beyond a plane that is defined by at least two teeth in the succession. ... | 11/14/2006 |
| 7121284 | Product applicator for eyelashes and/or eyebrows, and method of product application An applicator includes an applicator member having an applicator portion. The applicator portion comprises a first succession of teeth and a second succession of teeth substantially opposite the first succession of teeth. At least a plurality of the teeth of the fir... | 10/17/2006 |
| 7117873 | Lice and nit removal device A device for removing lice and nits from affected hair and scalp of an individual, has first and second movable blades, the first blade including a plurality of first saw teeth, the second blade including a plurality of second saw teeth, and means for movably retain... | 10/10/2006 |
| 7044138 | Multi-purpose hair highlighting comb and method of use A hairstyling comb in which a plurality of elevated notched major comb teeth are provided to lift and entrain strands of hair which are subsequently to be treated with hair treatment, such as highlighting colorant. Between adjacent major comb teeth are one or more m... | 05/16/2006 |
| 6098633 | Hair comb A hair comb has a handle (1) having an arcuate portion (2) and a finger grip portion (3). The handle is connected to a spine (4) into which are secured two parallel planes of rows of teeth (10). The teeth (10) are spaced so that a first row of teeth (11) ... | 08/08/2000 |
| 6006758 | Method and device for the detection and removal of head lice A method and comb device for detection and removal of human head lice, and eventual elimination of the lice infestation, from infested individuals by sequential combing, with no use of pesticides. The comb device has six sides, three of the sides of the c... | 12/28/1999 |
| 5884633 | Combination comb, brush, and teaser apparatus A combination comb, brush, and teaser apparatus includes a first teeth holder which extends along a longitudinal axis. A plurality of first teeth project out from the first teeth holder in a direction perpendicular to the longitudinal axis. A first handle... | 03/23/1999 |
| 5791354 | Reciprocating comb A reciprocating comb comprised of a stationary and a sliding comb member. Both the stationary and sliding comb members consist of elongated rectangular bases having teeth extending therefrom and perpendicular to the orientation of the base. The stationary... | 08/11/1998 |
| 5673710 | Appliance for treating hair The invention is directed to an appliance for treating hair (1), which is comprised of a handle section (2) and a heatable hair treatment section (3). The section (3) possesses an approximately tubular bristle mounting member (4) which is assembled from t... | 10/07/1997 |
| 5318051 | Comb structure and method of making the same A comb is formed from two half-comb sections laid one on top of the other. Each half of the comb includes every other tooth of the full comb, such that when the two halves are mated, the two sets of teeth will be interleaved to form a comb having narrow i... | 06/07/1994 |
| 5231999 | Comb and method for separating strands of hair A comb for separating strands of hair to implement and facilitate highlighting, streaking or frosting is described. The comb comprises first and second rows of teeth which project angularly from a handle portion. The teeth in the first row are spaced to i... | 08/03/1993 |
| 4815484 | Styling comb for use in hair treatments A styling comb for use in hair treatments advantageously provides a variety of divisions for hair sections to enable careful and accurate treatment of hair. The styling comb includes a back portion, a handle portion connected to the back portion, and firs... | 03/28/1989 |
| 4807652 | Comb A comb for removing lice and nits from the hair is formed by a base and a plurality of teeth extending from the base in substantially the same direction. The longitudinal axis of each tooth is parallel to the longitudinal axis of each other tooth. Each to... | 02/28/1989 |
| 4763675 | Fine tooth comb A fine tooth comb wherein the teeth are provided with shoulder ledges along the narrowest part of the passages between teeth, the shoulder ledges being alternate in direction, and cooperating to form offsets or jogs in the passages for better detritus rem... | 08/16/1988 |
| 4612945 | Comb A comb for removing lice and nits from the hair is formed by a base and a plurality of teeth extending from said base in substantially the same direction. The longitudinal axis of each tooth is parallel to the longitudinal axis of each other tooth. Each t... | 09/23/1986 |
| 4502498 | Plastic nit comb A comb and a method of making a comb having a handle including two main surfaces having a common edge and a plurality of substantially parallel, spaced apart, elongated teeth extending from the main edge. Each tooth comprises identical first and second se... | 03/05/1985 |
| 4163143 | Hairdressing device An improved hair dressing device of the curling iron type having a heatable barrel is provided, along a longitudinal segment thereof, with a plurality of radially projecting hair combing teeth having substantially pointed ends. A hair-confining member, ge... | 07/31/1979 |
