"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7171752 | Hair trimmer A trimmer includes a blade connection portion and a handle, and a blade is engaged with a recess defined in one side of the blade connection portion. A C-shaped clamp has two ridges extending from two insides thereof and the two ridges are slidably engaged with a fi... | 02/06/2007 |
| 6722039 | Manual safety straight razor having doubled-sided blades A manual straight razor includes an elongated front cutter portion having a rear end. The front cutter portion has an elongated wide opening which is slightly, downwardly narrowed. A complementary razor holding structure is snugly inserted in to the side opening and... | 04/20/2004 |
| 6701619 | Manual safety straight razor having double-sided blades An in-line double-sided manual safety straight razor having dual razor-sharp cutting edges includes a pair of razor blades detachably mounted respectively, between tenons of a handle portion and a middle platform structure of a blade spacing portion. Both... | 03/09/2004 |
| 6655029 | Safety razor A safety razor with a plurality of blade members which are covered by a guard plate. The guard plate is provided with a plurality of blade tip guards which are arranged along the blade tip edges of the blade members, and the blade tip edge of at least one... | 12/02/2003 |
| 6311396 | Disposable straight razor The disposable straight razor comprises: an elongate body; a razor blade mounted in the body; the body being molded about the razor blade; the razor blade extending outwardly from the body a distance of from approximately 0.05 mm to approximately 4 mm; an... | 11/06/2001 |
| 6249973 | Thinning razor A mechanical thinning razor includes a shank, a handle, a blade, a bladeguard, a driving member and a sliding member. When pushing an external surface of the driving member toward a hollow midsection of the shank, the bevel of the driving member forces th... | 06/26/2001 |
| 4622742 | Disposable safety straight razor A disposable razor comprises a body having a blade end and a handle end. The blade end includes a razor blade edge protruding from one side thereof. The handle end is adapted to be grasped during use of the razor and is separable from the body. Within the... | 11/18/1986 |
| 4344226 | Disposable safety razor A disposable razor has a body of synthetic plastic material. The front portion of the body has a slot in which a single-edge blade is mounted. A bladeguard is either a separate element and detachably connected to the body, or is of one piece with the body... | 08/17/1982 |