Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7322076 | Clasp for jewelry The clasp for jewelry includes a body, a pin insertable into the body, a stopper engaging to the pin having been inserted into the body to keep the pin engaged to the body, and a releaser releasing the pin from the body. When pulled or slid, the releaser releases th... | 01/29/2008 |
| 7073236 | Electronic article surveillance (EAS) tag compatible with mechanical and magnetic unlocking detachers A security tag includes a tag body and an attaching pin for attaching the tag body to a protected article. The security tag further includes a locking mechanism for releasably preventing the attaching pin from being removed from the protected article. The locking me... | 07/11/2006 |
| 6920769 | Theft deterrent tag A disposable theft deterrent tag includes first and second elements that lock together through a portion of an item of merchandise to secure the tag to the item of merchandise. The first portion of the tag includes a first locking member having opposed teeth that ar... | 07/26/2005 |
| 6557220 | Security clutch with self-centering spring A security clutch for a jewelry post with a circumferential groove includes a housing with a post receiving aperture extending therethrough and two access ports through a side wall. A pair of interlocking C-shaped lock members each include an inner free e... | 05/06/2003 |
| 6317941 | Security clutch A security clutch for a jewelry post, such as an earring post, is disclosed. The security clutch includes a housing with a top wall, a bottom wall and a side wall. An access port in the side wall and a post receiving aperture through the top wall and the ... | 11/20/2001 |
| 5417400 | Wire holder A wire holder capable of facilitating adjustment and/or variation of a length and tension of the wire. The wire holder includes a wire grip and a connector. The connector is formed on an outer surface thereof with a groove longitudinally extending from an... | 05/23/1995 |
| 5410785 | Device to detachably connect two objects A connector comprised of a hollow cylindrical casing having an annular inside groove; a bushing made to slide in said casing which has a plurality of steel balls respectively inserted in a plurality of radial holes thereof; a lock bolt device inserted int... | 05/02/1995 |
| 5337459 | Magnetically releasable clamp A clamp includes a U-shaped member having a pair of legs, with each leg having a cavity in the side of the leg facing the other leg; and a clutch for receiving and restraining the legs of the U-shaped member. Pads are attached to the insides of the legs f... | 08/16/1994 |
| 5077872 | Antitheft device An antitheft device for marking articles for sale and comprising two members, which automatically interlock one another when one member is inserted in a cavity in the other member, the first member being a rod-shaped body with a completely or partially po... | 01/07/1992 |
| 5022244 | Pin-clutch mechanism for theft-deterrent device A clutch mechanism includes a ferromagnetic anvil having an axial bore for axially receiving a pin; a cup axially aligned with the anvil for receiving a pin that is axially received by the bore of the anvil, wherein the anvil is longitudinally movable alo... | 06/11/1991 |
| 4993245 | Security tag for use on articles of clothing and the like A reusable security tag for use on merchandise in department stores and like establishments has a housing which confines a locking device, a leaf spring and a signal generator. The locking device can receive the shank of a retaining member having a head w... | 02/19/1991 |
| 4903383 | Anti-theft fastening An anti-theft tag has releasably connected male and female portions. The male portion is in the form of a pin. The female portion has a retainer and an insert loosely received in a housing. The insert has a cup-shaped recess facing the retainer with a gen... | 02/27/1990 |
| 4523356 | Ball clutch mechanism with two sets of balls in separate radial planes A ball clutch mechanism for restraining a pin from longitudinal movement, including an anvil, a radially symmetrical cup, a spring and two two-ball sets of uniformly dimensioned balls. The anvil has an axial bore for axially receiving the pin. The cup has... | 06/18/1985 |
| 4280256 | Fastener apparatus A fastener of the kind in which a pin can be inserted into a closed housing between balls provided in a tapering space within the housing, which balls prevent the subsequent removal of the pin through the exercise of clamping action on the pin upon attemp... | 07/28/1981 |
| 4274180 | Jewelry clutch This invention relates to a jewelry clutch for securing articles together, the clutch including releasably connected male and female components. The male component comprises a pin and the female component comprises a retainer located in a carrier. The car... | 06/23/1981 |
| 4221025 | Anti-theft locking device A locking device which includes a housing, a spring biased insert, arcuately spaced retaining balls, and cup means which is securely mounted in the housing and retains the balls and the lower end of the insert. The tapered side walls of the cup means prov... | 09/09/1980 |
| 4195391 | Jewelry clutch This invention relates to a jewelry clutch for securing articles together, the clutch including releasably connected male and female components. The male component comprises a pin and the female component comprises a retainer located in a carrier. The car... | 04/01/1980 |
| 3947930 | Anti-theft fastening device and tool for releasing same A fastening device for securing articles together, the device including releasably connected male and female components. The male component comprises a pin and the female component comprises a retaining insert positioned in a housing for releasably clampi... | 04/06/1976 |
