...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7827695 | Hair-slicing electric razor This new electric razor has a set of multiple shaving knives (12), having dual cutting edges longitudinally on both sides of knife, and rotating and reciprocating simultaneously on the inner surface of a cylindrical shaving screen (11). This mechanism ... | 11/09/2010 |
| 7370420 | Rotary electric shaver A cutter unit of a rotary shaver including: a cutter receiving stage 90 held by an outer cutter housing 18 and coaxially penetrated by a drive shaft 26, a pivot case holder 50 held by the cutter receiving stage to be movable upward and do... | 05/13/2008 |
| 7356929 | Rotary type electric shaver A rotary shaver including an outer cutter frame (18) provided on a shaver main body (10), an outer cutter (14) that is installed in this outer cutter frame (18) and has ring-shaped thin layer portions (28a, 28b... | 04/15/2008 |
| 7325311 | Reciprocating-type electric shaver A reciprocating-type electric shaver including an outer cutter having an inverted U shape as seen from a side thereof and an inner cutter making a reciprocating motion while making sliding contact with an inside surface of outer cutter, and further including: an osc... | 02/05/2008 |
| 7269902 | Shaving apparatus A shaving apparatus has shaving heads (3) each having an internal cutting member (6) and an associated external cutting member (4); and a drive structure (1) coupled to each of the internal cutting members (6). The external cutting... | 09/18/2007 |
| 7216516 | Wobble joint A wobble joint particularly useful for supporting a wash plate in a wash basket of an automatic washing appliance includes inner and outer races formed with mating part-spherical surfaces having common centers of curvature about a longitudinal axis of the joint. Ant... | 05/15/2007 |
| 6966116 | Shaving head for a hair cutting apparatus The invention is directed to a shaving head for a hair cutting apparatus, with at least one outer cutter and at least one under cutter associated therewith and having cutting edges, said cutters being movable relative to one another by a drive mechanism, with the ou... | 11/22/2005 |
| 6901662 | Rotary electric shaver with rotating screens A rotary electric shaver with a plurality of cutting heads that have planetary motion and circular motion for the outer screen elements of the cutting heads and an internal gear ring drive means. ... | 06/07/2005 |
| 6584691 | Electric shaver having orbitally moving blades An electric shaver, and in particular an electric shaver wherein are included blades which while rotating around their own centers also orbit around another axis, thus providing that the blades sweep a large area.... | 07/01/2003 |
| 5414930 | Shaving apparatus having a shaving-head frame and a foil frame spring-mounted on said frame In a shaving apparatus (1) comprising a housing (2) and a shaving head (10) with a shaving-head frame (12) and a foil frame (31) at least two helical pressure springs (57, 58) act between the two frames (12, 31) and are each arranged in a circumferentiall... | 05/16/1995 |
| 5400508 | Shaving apparatus having a dust seal A shaving apparatus (1) comprising a shaving head (10) with a foil-like upper cutter (71) and a lower cutter (73), which engages with the upper cutter and is drivable by a block-shaped drive member (75), has a hood-like and trough-like dust seal (107) wit... | 03/28/1995 |
| 5377414 | Shaving apparatus having a foil-like upper cutter and a foil-like lower cutter In a shaving apparatus (1) comprising a foil-like lower cutter in the form of a cutter blade (68) and an upper cutter in the form of a shear foil (63) the cutter blade (68) has hexagonal hair-entry apertures (145) arranged in a honeycomb pattern, and the ... | 01/03/1995 |
| 5251375 | Shaving apparatus A shaving apparatus comprises a housing provided with a first shaving member having a first cutting edge and with a second shaving member having a second cutting edge, which second shaving member is drivable relative to the first shaving member, the movem... | 10/12/1993 |
| 5231760 | Shaving apparatus A shaving apparatus is provided which comprises a housing having a shaving head carrying an external shaving member with hair-entry apertures and an internal shaving member which is coupled to a motor in the housing and which is drivable relative to the e... | 08/03/1993 |
| 5050301 | Razor assembly A razor assembly of the wet-shave type comprising a razor handle, a head portion extending from the razor handle, the head portion having therein a cavity therein. A spring retention chamber disposed in the handle portion, and a spring member comprising a... | 09/24/1991 |
| 4894912 | Shaving apparatus A shaving apparatus having a housing with a holder for a flexible cutting plate and a cutting member which has rigid cutting elements and can be driven so as to be rotatable with respect to the cutting plate, the cutting elements comprising cutting sides ... | 01/23/1990 |
| 4847995 | Shaving apparatus A shaving apparatus comprising a cutting member and an opposite member which has a hair-seizing end and can be driven with respect to the cutting member with a relative movement. The plate-shaped opposite member is coupled to a driving mechanism via a rod... | 07/18/1989 |
| 4796359 | Electric shaving apparatus with a pivoted shearing head system An electric shaving apparatus has a housing serving as a hand grip (1) with projecting support lugs (11, 12) that defines pivot axis (Z). Shearing head system (2) is movable about pivot axis (Z) and comprises a shearing head frame (3) that has at least on... | 01/10/1989 |
| 4301593 | Anti-spin coupling for orbiting disc razor Annular discs having narrow sharp edge slots therethrough are supported in circular raceways in a razor head by eccentric drive balls which impart planetary motion thereto. The eccentric drive balls are pivotally mounted on the ends of rapidly rotating dr... | 11/24/1981 |
| 4180906 | Razor with orbiting discs with sharp-edge slots, and method for making discs Discs having narrow, sharp-edge slots are orbited so that their slot edges undergo a slicing motion.... | 01/01/1980 |
| 4174569 | Electric razor An electric razor is disclosed which comprises a housing having a shearing head, a shearing comb disposed within the head and having openings permitting hair protruding from a surface to enter into an interior of the comb, and a blade beam carrier which m... | 11/20/1979 |
| 4115920 | Dry shaver with primary and secondary modes of oscillation An electric dry shaver in the form of a generally rectangular parallelepiped and comprising a flexible part-cylindrical curved cutting foil extending along one end face and inclined towards the front face of said parallelepiped. A cutter body has cutter b... | 09/26/1978 |
| 4038747 | Electric razor having an oscillating cutting head An electric razor is disclosed herein having a case housing an electric motor and a gear driving train operably coupled to a moving cutting head. The head includes at least one cutting blade driven by the motor either in a back and forth stroking manner o... | 08/02/1977 |