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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7197825 | Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe... | 04/03/2007 |
| 6973855 | Method for manufacturing hair clipper blade A method for manufacturing a hair clipper blade includes providing a blank with a comb teeth shaped cutting edge portion, and forging the cutting edge portion to have an acute tip angle. ... | 12/13/2005 |
| 6505403 | Hair shaving device with u-shaped razor blade strip A manually operated, finger-manipulatable non-electric hair trimming device for shaving nostril hair, ear hair or the like, includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, which includes a flexi... | 01/14/2003 |
| 6367533 | Safe cut-off blade assembly A cut-off blade assembly including a thin metal blade having an attachment portion by which the cut-off blade assembly can be attached to a dispenser, and a plurality of projecting similarly shaped triangular primary teeth. The triangular primary teeth ea... | 04/09/2002 |
| 6227958 | Knife and sharpening holder A sharpening holder and a knife are uniquely configured for use with each other, the holder and the knife having permanent elements that mate when the holder is installed on the knife so that the holder is installed on the knife in exactly the same positi... | 05/08/2001 |
| 6182365 | Skin engaging member for razor blade assembly The present invention relates to a skin engaging member for use in a razor blade cartridge assembly or shaving systems of the wet shave type comprising an elongated flexible sheath region and at least one elongated, rigid core region. The core region is s... | 02/06/2001 |
| 6167625 | Shaving implement A shaving implement, such as a disposable cartridge or razor, comprises a shaving head which includes a skin-contacting element in the form of a series of cavities and projections. The projections are arranged in the cavities in order to provide a unique ... | 01/02/2001 |
| 5983499 | Cavity shaving device with curved razor blade strip A manually operated, finger-manipulatable non-electric hair trimming device for shaving nostril hair, ear hair or the like, includes a head structure sized to fit within a small body cavity, such as a person's nostril or ear cavity, which includes a flexi... | 11/16/1999 |
| 5953819 | Razors A skin contacting member for a razor or like shaving device. In use, the skin contacting member is located ahead of a blade or blades of the razor. The skin contacting member has channels formed by stiff wall segments that extend perpendicular to the blad... | 09/21/1999 |
| 5802721 | Safety razors A shaving unit includes a skin engagement surface member for contact with the skin in advance of a blade edge and defined by a series of resiliently mounted elements (9) defining between them slots (10) through which hairs can pass while being subjected t... | 09/08/1998 |
| 5127121 | Paint can opener An elongate handle mounts a generally "J" shaped head thereon in a forward end of the handle of the "J" shaped head, including a planar construction defining an inner edge and an outer edge, with the inner edge including a first lug cooperative with the s... | 07/07/1992 |
| 4502217 | Shaving instrument Shaving instrument having a guard bar (6) arranged spacedly in front of the blade cutting edge and extending parallel to the latter. The guard bar (6), in its surface area coming into contact with the skin, is provided with small projections, for example,... | 03/05/1985 |
