Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7080458 | Ceramic movable blades for blade sets of hair clippers A blade set for a hair clipper including a movable blade constructed of ceramic. The movable blade includes an upper surface having a pair of integrally formed upper reinforcing protrusions. The upper reinforcing protrusions are disposed adjacent to a drive notch si... | 07/25/2006 |
| 6490799 | Long-hair cutter unit The invention is directed to a long-hair cutter unit (LHS) for a dry shaving apparatus (TR), with a dimensionally stable cutting comb (11) having one cutting teeth row (17) and at least one bearing surface (110) for at least one engagement surface (120) o... | 12/10/2002 |
| 5230153 | Mounting bracket for hair trimmers A hair trimmer comprising a body, a cutting assembly including a reciprocable cutter, drive structure supported by the body for reciprocating the cutter and including a drive member being reciprocable along an axis, hinge structure supported by the body f... | 07/27/1993 |
| 5092048 | Cutting head assembly for hair trimmers A cutting head selectively engageable with a first support tongue having by a pair of ribs disposed on the bottom of the tongue, and selectively engageable with a second support tongue having a substantially planar bottom surface, the cutting head compris... | 03/03/1992 |
| 4989324 | Hair clipper blade set Disclosed herein is a hair clipper blade set comprising a lower blade including a forward edge with a series of teeth extending therealong, upper and lower surfaces extending from said forward edge, and a threaded bore extending between the upper and lowe... | 02/05/1991 |
| 4785537 | Wool shears A wool shearing handpiece enclosed within a casing through which extends a drive fork driven at a rear end for oscillation about an intermediate pivot to reciprocate at an open forward end of the casing a cutter across a comb, and wherein the closing forc... | 11/22/1988 |
| 4694575 | Clipper attachment device An improved clipper and improved cutter head attachment device of the type having a pair of mating members including a substantially flat male member and a female slot. One of the mating members has at least one resilient offset portion which must be sque... | 09/22/1987 |
| 4498237 | Hair trimmer The present invention is a cutting unit having multiple sets of tandem blades; each set being composed of a first toothed blade moved reciprocatingly in a cutting motion relative to a second tooth blade. The blades are preferably curved.... | 02/12/1985 |
| 4383366 | Blade driving assembly for hair clipper A cutting blade drive assembly for a hair clipper comprises a frame and a driven assembly rotatable on the frame about an axis fixed relative to the frame. The driven assembly includes a tension spring, and a cutting blade is engaged by the tension spring... | 05/17/1983 |
| 4348810 | Blade part assembling structure for electric shaver The blade part assembling structure for electric shaver of this invention comprises fitting pins which are rotatably fitted to a blade mounting base, a movable blade mounted on the base in the first rotating positions of the fitting pins, and a stationary... | 09/14/1982 |
| 4291462 | Shearing device A shearing device for shearing sheep. The shears include a hollow handpiece, comb, fork, cutter, and tensioning arm. The comb has a planar face and is rigidly attached to the front of the handpiece. The fork is pivotally mounted within the handpiece with ... | 09/29/1981 |
| 4144640 | Hair clippers A hair clipper, particularly for incorporation in a battery powered electric dry shaver, comprising first and second mutually slidingly reciprocable and inherently slightly resilient toothed cutters resiliently urged to assume a similar curvature to one a... | 03/20/1979 |
| 4081905 | Electric clipper Disclosed herein is a hair clipper comprising a housing, a blade set including a first or stationary blade, including thereon a bracket defining a groove, and a blade set mounting assembly including a mounting plate fixed to the housing, a tongue removabl... | 04/04/1978 |
| 3956824 | Cordless electric grass shear having improved blade system A battery powered grass shear having improved upper and lower shear blades with improved cutting and durability characteristics and which require less power to operate. The lower shear blade, which is fixed to the housing of the battery powered grass shea... | 05/18/1976 |
