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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7356959 | Firearm authorization system with piezo-electric disabler An authorization system for a firearm (10) includes an authorizing device (32) worn by the authorized user, and a firearm (10) with a fire control system, a computer controller (28), and a piezo-electric disabler (60). The computer... | 04/15/2008 |
| 7213359 | Additional safety device for sear mechanism for firearms A sear mechanism for firearms comprises a sear box 12, and an additional safety device to prevent the hammer 16 from releasing accidentally and to fire under the action of inertial forces acting along the direction of the axis of the barrel in case of ... | 05/08/2007 |
| 7188444 | Firearm orientation and drop sensor system A sensor system for detecting jarring, acceleration or other application of force to a firearm, and/or movement of the firearm into an undesired orientation, which includes a sensor array mounted to a firearm. The sensor array detects the excessive acceleration and/... | 03/13/2007 |
| 7096619 | Equipment operator personalization device A motion sensing device is embedded in a firearm. A processor in the firearm senses the pattern of motion of the firearm, and on sensing a specified sequence of motions, the processor permits operation of the firearm. The operator would move the firearm in a prescri... | 08/29/2006 |
| 7090107 | Hand-held setting tool A hand-held setting tool for driving in fastening elements includes a pressure probe (20) displaceable between an extended position (22) in which the setting tool (10) cannot be actuated, and an operational position (23) in which the sett... | 08/15/2006 |
| 5537771 | Means for reducing the criminal usefulness of dischargeable hand weapons An apparatus that limits the amount of time that a hand weapon can be discharged during use, an apparatus for preventing the discharging of a hand weapon based on the weapon having been in an attitude that is good for concealed carrying, an apparatus for ... | 07/23/1996 |
| 5437117 | Bullet alarm A firearm safety device in the size and shape of ammunition is inserted in the chamber of a firearm. The safety device produces an audible alarm when the firearm is moved or handled, thus signaling a warning sound that the firearm is being moved or handle... | 08/01/1995 |
| 4470817 | Apparatus for limiting the firing field of a weapon, particularly an armored cannon, during practice firing Apparatus for positioning the barrel of a weapon and limiting the firing field of a weapon to a predetermined target area. The apparatus comprises at least one stationary transmitter positioned in or adjacent the firing field and at least one directional ... | 09/11/1984 |
| 4216911 | High-pressure liquid-jet gun A high-pressure liquid-jet gun has a pistol-type housing provided with a valve having an actuation member displaceable between a closed position and an open position to release liquid from an end of the housing. A safety lever is displaceable on the housi... | 08/12/1980 |
| 3988849 | Signal launcher A pistol-type signal launcher having a spring-actuated hammer carrying the firing pin, a pivotally mounted barrel releasably retained in firing position by a plunger which is biased toward the barrel support cam by a spring which may also bias the trigger... | 11/02/1976 |
