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 |
| 8191557 | Universal hair tapering razor and universal hair tapering method A universal hair tapering razor for tapering hair includes a cutting blade portion, a shank portion and a handle portion, the cutting blade portion including blade means having a cutting blade with a cutting edge for tapering hair, tapering regulating means, and bla... | 06/05/2012 |
| 7246447 | Apparatus and method for forming designs in a haired surface A device and method for forming designs into the haired surface on the body. The device features a design head having a shape defined by a perimeter edge and a support shaft engaged with the design head. Hair is trimmed from the haired surface adjacent to the perime... | 07/24/2007 |
| 7188423 | Structure of hairdressing scissor assembly A hairdressing scissor assembly includes plural pairs of hairdressing scissors each having two cutting members pivotally connected together, female and male connectors respectively secured to first and second sides of the pairs of hairdressing scissors for joining t... | 03/13/2007 |
| 7114257 | Multi purpose machine A portable multi purpose machine having removable head attachments primarily for personal grooming. The removable head attachments used for multiple purposes include: cutting and vacuuming, shaving, hair clipping, tooth brushing, vacuuming, and massaging. The multi ... | 10/03/2006 |
| 7111400 | Razor having thermo-electric shaving aid ejection system and method of ejecting shaving aid A shaving aid delivery system for a shaving system includes a razor head having a reservoir for holding a shaving aid and a heating apparatus disposed adjacent the reservoir. The delivery system also includes a shaving strip disposed within the razor head, an actuat... | 09/26/2006 |
| 7073517 | Hair trimming guide A hair cutting guide, for use by a hairdresser in cutting the hair of a person using scissors, having a pair of guide halves that are hingeably attached and selectively enter an open position and a closed position. Each of the guide halves have a plurality of teeth ... | 07/11/2006 |
| 7021317 | Hair clip assembly A hair clip assembly for protecting pretreated hair from damaging effects of a treatment chemical applied to new hair growth. The hair clip assembly comprises two spring-biased jaw members, each having a substantially flat, rectangular hair shield extending therefro... | 04/04/2006 |
| 6994552 | Hair design system and its applications As shown in FIG. 1, a hairstyle design system comprises an image-processing device 1, an input/output device 2, a graphic system 3, a display device 4, a head-development drawing information-storage device 5, and a hairstyle... | 02/07/2006 |
| 6267119 | Haircutting guide-comb A haircutting guide-comb instrument for use in cutting head hair of a human being and including a pair of elongated legs superimposed over one another to clasp hair of the human being in between said legs with a bias spring engaged about the terminal ends... | 07/31/2001 |
| 6267117 | Hair cutting method and device The invention concerns both a method and device for cutting hair. The device includes a multi-faceted cutting means (10) and a handle (20). The cutting means (10) is preferably formed from a broken piece of glass, preferably having a ragged broken edge to... | 07/31/2001 |
| 6257248 | Both hand hair cutting method A both hand hair cutting method is for hairdressers to hold proper tools, such as scissors, razors, electric cutters, plural scissors, in a right hand and a left hand to perform cutting at the same time or not at the same time, depending on personal hair ... | 07/10/2001 |
| 6135123 | Hair cutting guide A hair cutting guide comprising an upper clip and a lower clip is disclosed. A pivot pin interconnects the upper and lower clips allowing rotation of the upper and lower clip with respect to each other. A spring is mounted around the pivot pin and engages... | 10/24/2000 |
| 6079421 | Taper comb set A set of six taper combs for use in tapered hair cuts, including a full size comb, a medium comb, a small comb, a finger comb capable of manipulation by the fingers on one hand, and two ear combs adapted to shaping a tapered cut above and around the ear.... | 06/27/2000 |
| 5996592 | Cutting tool having multiple scissors A cutting tool includes first, second and third pairs of scissors. The first and third pairs of scissors are spaced apart from the second pair of scissors by a fixed distance. Each pair of scissors includes a first elongated member and a second elongated ... | 12/07/1999 |
| 5954063 | Adjustable hair cutting device A hair cutting and styling device includes a semi-rigid inner band member which has a curved generally semi-circular shape and is sized to substantially encircle the head of a user and be retained in place by an elongated strap member attached onto one en... | 09/21/1999 |
| 5832937 | Haircut method A method for cutting hair which realizes a hairstyle to give a light appearance of movability and vividness by giving natural irregularities to length of the hair. Three different reference lengths are used for one hairstyle. A founding portion of hair is... | 11/10/1998 |
| 5813417 | Hair cutting method A hair cutting method includes positioning a strand of hair between normally open blade ends of a scissors. The scissors have a pair of elongated members, each member having a blade end, an intermediate gripping section, and a spring end. Each blade end h... | 09/29/1998 |
| 5575297 | Hair braiding device A generally hand-shaped hair styling device for independently retaining a plurality of separate sections of hair, comprising a rigid frame assembly comprising a curved rigid base with a plurality of adjacent elongated rigid members joined to and arising i... | 11/19/1996 |
| 5349971 | Clipper comb A clipper comb 10 for manipulating hair as it is cut with an electric clipper 46 has a handle 14 and an array of juxtaposed teeth 11 forming a bed 30. The bed has a clipper bearing surface 31, a forward segmented guide wall 32 and a rearward guide wall 33... | 09/27/1994 |
| 5170669 | Hair nature measuring instrument A hair nature measuring instrument comprises a hair catching portion, a rotational handle portion for rotating the hair catching portion, a rotation transmitting element having a restoring resilient force and interconnecting the hair catching portion and ... | 12/15/1992 |
| 4928716 | Portable hair trimming device A portable hair trimming device for personal grooming operations includes a thin triangular housing having a hollow interior portion. An open slotted portion is formed in one side wall of the housing and a trimming implement has one end pivotally mounted ... | 05/29/1990 |
| 4926891 | Hair cutting guide A hair cutting guide is comprised of a plurality of spaced-apart segments, each of which is formed of a pair of legs having longitudinal axes disposed along intersecting planes such that each segment is generally triangular in cross-section. The guide inc... | 05/22/1990 |
| 4865057 | Apparatus and method for making hairpieces undetectable Heretofore it has not been fully appreciated that in order to make a hairpiece undetectable it must be possible to position the hairpiece on the head of the wearer with a precision which is nothing short of incredible. However, once correct positioning ha... | 09/12/1989 |
| 4768528 | Finger guide precision haircutting tool A precision haircutting tool primarily designed to facilitate the cutting of one's own hair or someone else's hair easily and uniformly. The thumb of the hand used to hold the hair for cutting is slipped through the thumb ring and the finger guide (or ste... | 09/06/1988 |
| 4483354 | Method of coloring hair An improved method of applying color to hair includes gripping the hair between a pair of panels having nonlinear edges. While the hair is gripped between the panels, a hair coloring agent is applied to the portion of the hair extending outwardly from the... | 11/20/1984 |
| 4391040 | Hair cutting device A hair cutting unit device for the human head includes a movable open-ended casing in which an electrically operated clipper is mounted on guide means for movement. The blades of the clipper are in the open end of the casing. The position of the clipper w... | 07/05/1983 |
| 4317462 | Aid for hairdressers An aid for hairdressers comprises a model scalp, a set of sheets each of which is in use attached along one edge to the scalp and means indicating the location on the scalp at which each sheet is to be attached. When correctly attached to the scalp each s... | 03/02/1982 |
| 4269205 | Thumb hair gauge An adjustable height gauge for use in hair cutting. The gauge is worn on the thumb, much like a ring, and includes a platform of adjustable height that supports the index finger of the same hand. The index finger and middle finger are used to grasp a sect... | 05/26/1981 |
| 4206773 | Hair holder A hair holding device for facilitating cutting of hair has a frame arrangeable on a head of a person whose hair is to be cut, and a gauge mounted on the frame for determining the length of hair to be cut. The gauge includes a plurality of wedge-shaped mem... | 06/10/1980 |
| 4150483 | Hair cutting device A suction type hair cutting device which is comprised of a casing, a suction passage housed by said casing and connected to a vacuum source, and an inlet at the end of said suction passage provided with a fixed blade and an arcuate oscillatory blade. The ... | 04/24/1979 |
| 4003390 | Hair cutting guide for electric razor Apertured guide means for electric razors removably engage the head of a razor, and extend therefrom to maintain a predetermined distance between razor blades and surface over which the razor is moved for cutting hair at a predetermined length. The guide ... | 01/18/1977 |
| 3993083 | Guide for trimming hair This disclosure teaches a guide for trimming hair. The guide enables a woman to trim her own hair and it comprises a pair of congruent rectangular plates each having a first edge hinged to that of the other. The plates are adapted to move between an open ... | 11/23/1976 |
