Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 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 |
| 6935332 | Hair care appliances Hair-care appliances such as curling tongs are provided. The hair care appliances include a heating device that is controlled in dependence on temperature by a thermostat adjacent to the heating device. The thermostat may be shielded thermally from the heating devic... | 08/30/2005 |
| 5740820 | Hair rollers with enhanced hair rolling and setting features A hair roller includes an elongated body, a hair clip, and an elastic anchoring element. The body has an annular shape around which hair can be wound for styling person's hair. The hair clip has a hair-engagable blade portion and a lever portion. The blad... | 04/21/1998 |
| 5165429 | Hair clamp apparatus A hair clamp structure is arranged for clamping a quantity of hair therewithin, wherein the clamp structure includes a plurality of pivotally mounted semi-cylindrical shells. The first shell includes a rib member projecting beyond a first shell second edg... | 11/24/1992 |
| 5101842 | Method for curling hair using spring clip A method for curling hair on the scalp of a user is described. The steps include winding a plurality of strands of hair around a finger or pin to form a coil, and retaining the hair in its wound state with a spring action clip. the clip has two bars arran... | 04/07/1992 |
| 5033487 | Hair curler device A hair curler having a spool portion that is flexible and an attached cover of relatively rigid material adapted to be slid from an open to closed position and vice versa, over said spool portion after hair is wound thereon. A further hair curler has a fl... | 07/23/1991 |
| 4867185 | Hair waving device A hair waving device which can be quickly and easily interconnected with adjacent devices of identical construction so that the devices disposed proximate the outer extremities of the strand of hair to be waved, where the individual hairs are very fine, a... | 09/19/1989 |
| 4759343 | Portable curling iron 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... | 07/26/1988 |
| 4539974 | Temperature controlled fuel gas throughflow valve A hair curling unit, for example a curling iron, which has a catalytically acting heating device, wherein a regulator device is situated between the gas supply chamber which contains the fuel gas and the winding body. The movable valve element (13) of sai... | 09/10/1985 |
| 4502465 | Catalyst combustion curling device A catalyst combustion curling device comprises a handle interiorly provided with a liquefied gas tank; a heating barrel mounted on the handle to serve as a curling iron member or a member for mounting the teeth of a comb; a combustion valve provided on th... | 03/05/1985 |
| 4374528 | Rotary ignition system for a catalytically heated curling device An ignition device for a gas-powered catalytic curling iron. A manually rotatable member, including a ring member and a lobed member, is provided with its axis of rotation substantially parallel to the longitudinal axis of a tubular body making up the hai... | 02/22/1983 |
| 4342323 | Hair styling apparatus and techniques Automatic hair styling apparatus and techniques are disclosed. A curler includes a rotatable barrel and a wrapping member for wrapping the hair about the barrel. The wrapping member rotates with the barrel and is associated with camming structure for movi... | 08/03/1982 |
| 4327752 | Rotary ignition system for a catalytically heated curling device An ignition device for a gas-powered catalytic curling iron. A manually rotatable member with its axis of rotation substantially parallel to the longitudinal axis of a tubular body making up the hair winding portion of the curling iron is provided in comb... | 05/04/1982 |
| 4321934 | Gas lighter powered curling device A gas lighter provides a power source for a curling device, such as a curling iron or styling wand. The lighter is positioned and releasably retained in the hollow handle, in a first position. When the gas lighter is inserted further into the hollow handl... | 03/30/1982 |
| 4103145 | Hair curling iron and oven A hair curling device having an oven with a plurality of downwardly tapered heating chambers for receiving one or more hair curling irons. A clamp is pivotally mounted on the insulated handle of the curling iron so that the forward end of the clamp can be... | 07/25/1978 |
| 4049008 | Hair-curling device The device has a slitted spool and a slitted sleeve thereabout, each having a longitudinal slot registrable with each other, the spool being detachably mounted on a hollow handle having a slot registrable with the slots in the spool and sleeve. The handle... | 09/20/1977 |
