...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 |
| 7380556 | Hair iron A hair iron that can set hairstyles by heating and spraying a treatment agent comprises a pair of holding parts (1, 1); each having heating block (2), the surface of which acts as a holding surface (7); at least one holding part (1) conta... | 06/03/2008 |
| 7318441 | Kinky comb hair grooming tool A hair grooming tool is disclosed. The hair grooming tool is generally used for Rastafarian men or for individuals with Rastafarian hairstyles. The hair grooming tool to be used has a main central core with a number of extensions attached to the main central core. A... | 01/15/2008 |
| 7264004 | Hair drying/styling device A hair drying/styling device which combines a uniquely designed rotating hairbrush and blow dryer into a single product. The present invention simplifies the popular styling technique of brushing hair while applying the blow dryer, by allowing the user to completely... | 09/04/2007 |
| 7178531 | Device for achieving smooth and straight hair A hair styling device for smoothing and straightening hair strands on a scalp region, comprising, in combination: two hingedly attached, movably opposed arms each of said arms comprising a hair strand gripping means; heating means incorporated into the gripping mean... | 02/20/2007 |
| 7093376 | Hair drying and shaping system A hair drying and shaping system is provided and has a vacuum channel connected to a vacuum source for containing hair disposed therein for treatment; a hot air channel connected to a hot air source and having communication with the vacuum channel for measurable del... | 08/22/2006 |
| 6945255 | Hair roller with a ceramic coating A hair care appliance has a body with an outer layer, and a first end and a second end connected to the body. The first end and the second end are for grasping the hair care appliance. The hair care appliance also has an adhesive layer on the outer layer of the body... | 09/20/2005 |
| 6935047 | Hair styling attachment A hair styling attachment including a main housing and at least a pair of hair treating members, the hair treating member includes at least a thermally conductive hair treating surface, the pair of hair treating members being adjacently disposed with the correspondi... | 08/30/2005 |
| 6802320 | Hair shaping appliances Appliances for shaping hair are provided. The hair-shaping appliances may include, for example, (a) a forward and reverse stroke liquid dosing device; (b) a tubular drum constructed to contact the hair, the tubular drum having through-passages; and (c) an evaporatin... | 10/12/2004 |
| 6701937 | Hair shaping device, especially a steam styling tong Steam styling tongs including an evaporating device which is supplied with heat by a heating device and comprises an evaporator surface in thermal contact with the heating device. Liquid evaporates on the evaporator surface into steam, which then passes i... | 03/09/2004 |
| 6352080 | Microwavable hair curler A microwave heatable hair curler comprised of a pair of rigid, hollow, concentric cylinders sealed at both ends to create an annular space therebetween, with a heat absorbant material contained in this annular space. The gel is capable of being heated in ... | 03/05/2002 |
| 6199558 | Device for the styling and drying of hair The invention is directed to a device for the styling and/or drying of hair, including an exothermic material that is enclosed by a gas-permeable film. Applied to the outer surface of the film at least in certain areas thereof is a water-absorbent fabric,... | 03/13/2001 |
| 6138685 | Clamping hair curler system A hair styling device comprising a handle having a first curler-interlocking element, a heatable curler, a second curler-interlocking element, and a clamp attached to the handle and extending therefrom. The clamp is adapted to grasp hair between the clamp... | 10/31/2000 |
| 6092534 | Hair roller assembly A hair roller assembly formed of a light-weight, concentricaly arranged porous flexible tubular outer sleeve of plastic woven fabric-like material, perforate at least semi-flexible resilient tubular plastic inner support sleeve and a concentrically arrang... | 07/25/2000 |
| 5988182 | Microwave heatable hair roller A clipless hair roller that includes a heated metallic inner cylinder and elongated outer plastic cylinder having a plurality of ventilation openings to allow for the efficient and uniform transfer of heat from the metallic inner cylinder to hair associat... | 11/23/1999 |
| 5901711 | Hair roller assembly A hair roller which is comprised of three concentric sleeves. An outer sleeve is of a plastic, woven-type material that has a plurality of projections with hooked shaped ends capable of gripping hair. A central sleeve is comprised of a metallic material h... | 05/11/1999 |
| 5896864 | Hair curler steamer with PTC heater and thermally isolated cold and hot water reservoirs A steamer for a steamable hair curler includes thermally isolated cold and hot water reservoirs. Water in the hot water reservoir is heated by a PTC heater. The volumetric t capacity of the hot water reservoir is very small. The PTC heater has an intrinsi... | 04/27/1999 |
| 5884635 | Clamping hair curler system A hair styling device comprising a handle having a first curler interlocking element, a heatable curler having a second curler interlocking element, and a clamp attached to the handle and extending therefrom. The clamp is adapted to grasp hair between the... | 03/23/1999 |
| 5857470 | Device for the styling and drying of hair The invention is directed to a device for the styling and/or drying of hair, including an exothermic material that is enclosed by a gas-permeable film. Applied to the outer surface of the film at least in certain areas thereof is a water-absorbent fabric,... | 01/12/1999 |
| 5765575 | Hot-air brush with non-cylindrical head A hot-air brush using a non-cylindrical brush head is provided to enable a user to obtain a helical curl having a continuum of varying diameters within each lock of curled hair. This varying-diameter helix provides a new and distinct look for the curled h... | 06/16/1998 |
| 5713379 | Curling iron system with a friction element to generate heat A curling iron system includes a curling iron device having a handle and a tubular curling rod attached to the handle. The tubular curling rod has a tubular curling iron cavity defined by a substantially cylindrical shaped sidewall within the tubular curl... | 02/03/1998 |
| 5711323 | Spherical hair styling device A spherical hair styling device and method for using same are provided to enable a user to obtain a helical curl having a continuum of varying diameters within each lock of curled hair. This varying diameter helix provides a new and distinct look for the ... | 01/27/1998 |
| 5628333 | Hair curler The hair curler includes an outer and an inner sleeve. Both sleeves include passages in their walls. The sleeves can be rotated relative to each other. Accordingly, the passages in the outer sleeve can be opened or shut off. The hair curler includes a hol... | 05/13/1997 |
| 5584307 | Assembly intended for operating on hair using vapour Assembly intended for operating on hair, including a generator, a tool holder (30) equipped with a grip for holding, and a tool (2, 20), the generator and the tool holder (30) being arranged to provide the tool (2, 20) mounted on the tool holder (30) with... | 12/17/1996 |
| 5513665 | Hair curling apparatus Hair curling apparatus comprises a curling iron that can be inserted in a curling roller. The curling iron has a shaft for insertion in the roller formed by a number of elongate plate-like members, and the interior surface of the roller is formed with cor... | 05/07/1996 |
| 5503170 | Combination applicator-dispenser hair styler A hair applicator-dispenser has a container with a pressurized preparation applied to hair for treatment thereof. The container has a rectangular triple roller dome-head receptacle and is connectable to a removable rectangular hair curler which includes a... | 04/02/1996 |
| 5400810 | Combined curling iron and hair roller A hot air curling iron is provided which can alternately be used as a curling iron or used to heat a hair roller. It has a spoon that is separate from the spoon control lever, but which has a common pivot with it. A releasable detent connects them. The un... | 03/28/1995 |
| 5365037 | Electrically heated-air curling iron with a plurality of different diameter hair rollers usable therewith A hand-held electric curling iron has a hollow elongated barrel selectively insertable sequentially into one of a plurality of different diameter cylindrical hair rollers during the process of curling hair. The barrel communicates with an electric heater-... | 11/15/1994 |
| 5345055 | Fast heating curling iron and control circuit therefor A rapidly heating curling iron with a handle, a hollow barrel secured to the handle, and a heating element positioned within the barrel, the heating element being an electrical insulating board wound with electrical wire. A pair of heat transmission membe... | 09/06/1994 |
| 5316025 | Method of set shaping hair Firstly, a permanent wave agent is placed onto the hair and thereafter the hairs are laid into a treatment shape. This treatment shape is such that a subsequent aerating of the hair by means of warm air the hair is exposed to the warm air uniformly from t... | 05/31/1994 |
| 5309930 | Curler steamer A steamer for steaming hair curlers comprises an oblong tank having an open top which is closed by a lid. A pair of latches are captured for slight movement on opposite sides of the lid and engaged under steps defined on opposite sides of the tank. The li... | 05/10/1994 |
| 5297567 | Hair curling roller apparatus A housing is provided having a plurality of stepped top walls, each including an annular array of hair curling receiving sockets, with each of the hair curlers having a heat retentive silicon gel contained therewithin to retain thermal heating thereof.... | 03/29/1994 |
| 5263501 | Steam hair styling apparatus A hair curling apparatus for subjecting a tress of hair, previously wound about a cylinder, to a vaporized fluid for imparting a resilient and lasting curl to the hair upon removal of the cylinder. The apparatus comprises, generally, a handle containing a... | 11/23/1993 |
| 5255694 | Hair curler steamer having improved curler support A steamer is provided for use with hair curlers having a steam passage formed therein. The steamer comprises (i) a vessel forming a cavity for containing water, (ii) an electrode for heating the water contained in the cavity thereby transforming at least ... | 10/26/1993 |
| 5207236 | Water reservoir to provide mist for a hairsetter A reservoir unit for use in a hairsetter which has upwardly-extending heating posts. The reservoir unit has a cup to hold water, the cup having a base and sides and being open at the top, and the base having an upwardly-extending heating post recess there... | 05/04/1993 |
| 4958648 | Hair roller and heat source therefor A hair roller assembly is shown which includes a hollow roller member (12 and 60) containing a consumable heat source (14 and 62). The heat source is slidable into and out of engagement with the roller member such that, after use, the heat source may be r... | 09/25/1990 |
| 4955360 | Heat-generating material for portable hair curler A metallic heat-generating agent comprising as a main component iron powder and water generating steam by an oxidation reaction caused by contact with air is contained in an air-permeable bag as a heat-generating material for a portable hair curler. A por... | 09/11/1990 |
| 4935643 | Device for the limitation of torque in a hair treatment device In a hair treatment device with a winding mandrel driven by a motor and used to wind up hair, the current used by the motor is led through a current limiter circuit in order to limit torque. The current limiter circuit comprises an operating stage and a s... | 06/19/1990 |
| 4852546 | Hair roller heating device A portable hair roller heating device includes a housing defined by top, side and bottom walls, the top wall including apertures through which elongated hair rollers can be inserted into the housing; a heating chamber in the housing for heating the hair r... | 08/01/1989 |
| 4834120 | Hair cosmetic treatment apparatus A hair cosmetic treatment apparatus has a curler with a body for curling the hair and a jacket which can be mounted thereon, embraces the curl and leaves a gap between it and the body. The jacket comprises semicylindrical shells provided on their longitud... | 05/30/1989 |
| 4815441 | Portable heating appliance A portable curling iron having a barrel to be heated, includes first and second burners which heat the barrel; a fuel supply cartridge which supplies fuel to the first and second burners, the cartridge including a fuel delivery valve which controls the fl... | 03/28/1989 |