Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8117721 | Snap hook having pivotal lock A snap hook includes a channel and an orifice of different height formed in an attaching end of a hook member and a latching cavity formed in a receiving end of the hook member, a pivotal gate having one end attached to the attaching end with an axle, and a latch me... | 02/21/2012 |
| 8015676 | Snap hook with interlocking gate A snap hook that includes gate that includes and aperture that accepts a male portion that protrudes from the nose portion of the hook is disclosed. The coupling of the nose portion and the gate prevents the unwanted opening of the gate while the hook is under extre... | 09/13/2011 |
| 8001663 | Safety carabiner One embodiment of the present invention relates to an automatically locking carabiner system including a frame, a gate, a gate biasing system, and a gate locking system. The frame and gate form a continuously enclosed inner region in a closed configuration with resp... | 08/23/2011 |
| 7437806 | Safety hook A safety hook includes: a hook body having a base segment that has front and rear end portions, the rear end portion being formed with an elongate groove that is defined by a groove-defining wall which has a lower surface; a latch locking unit including a limiting r... | 10/21/2008 |
| 7320159 | Karabiner with locking ring A safety karabiner comprises a swivelling gate with a sliding locking ring operating in conjunction with a lock-bolt. The ring comprises a hole for receiving the lock-bolt at the end of the translation travel to the first locked position to constitute both a mechani... | 01/22/2008 |
| 7228601 | Carabiners having a captive eye opening Various embodiments for carabiners employing a pivoting gate and having a captive eye opening are disclosed. The carabiners of the present invention employ an arm laterally extending from the body of the carabiner to define a major opening and a captive eye opening ... | 06/12/2007 |
| 7140110 | Folding knife having a locking mechanism A folding knife is disclosed. The knife includes a handle; a blade having a tang pivotably connected to the handle allowing pivoting of the blade between a closed position in which the blade extends along the handle, and an open position in which the blade extends a... | 11/28/2006 |
| 7077445 | Dual lever locking hook A dual lever locking hook comprises a hook member having a mounting portion and a catching portion, first and second locking levers, and a connecting member rotatably coupled to the hook member. The locking levers are affixed to the hook member at the mounting porti... | 07/18/2006 |
| 7059644 | Truss gripping hook Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation ... | 06/13/2006 |
| 6979143 | Carabiner writing instrument A carabiner-type attachment for writing instruments in which the carabiner-type attachment device is attached to the side of said writing instrument or the cap therefor. The attachment device is preferably in the form of a carabiner in which at least a portion of th... | 12/27/2005 |
| 6925690 | Bullsnap The bullsnap fastener includes a rigid elongate member having a mid-section, a hook mounted to one end of the mid-section, a gate closing the hook, and an eye mounted to an opposite end of the mid-section. The hook has a shank and a curved distal end. The hook exten... | 08/09/2005 |
| 6898829 | Coupling device A coupling device enabling rapid connection and disconnection of lifting wires or similar articles for attachment by an ROV to/from a submerged object comprising a main body portion (1), a hook potion (2), a closing member operated by a member (5 | 05/31/2005 |
| 6832417 | Safety snap hook A safety hook that includes a body having a hook portion and a shank portion, a gate that is pivotally mounted from a gate pivot point on the shank portion, and a locking element that is pivotally supported from the shank. The safety hook also includes a peninsular ... | 12/21/2004 |
| 6802109 | Self-locking fixing loop with strap adjustment A self-locking fixing loop with adjustment of an attachment strap comprises a base equipped with a clasp for hooking a retaining ring thereon, and an operating button movable between a closed position and an open position of the loop, respectively to hold and releas... | 10/12/2004 |
| 6725506 | Standardized cap and tag keeper A standardized attachment system for an object holding system or object displaying system which is easily assembled, comprising a base section made of one or more pieces that engages a cord and an attachment section that secures the object to be held or displayed, s... | 04/27/2004 |
| 6718601 | Tie back snap A snap hook having a J-shaped body, a gate that is pivotable about a pivot point that is near the first end of the shank, and a movable locking pin located near the second end of the shank. The locking pin is moved by least one parallel bar that is generally paralle... | 04/13/2004 |
| 6588075 | Fish-hook clasp with a double activation mechanism A fish-hook clasp with a rotating mechanism or "small jack" whose shape forms two activating wings which protrude respectively from the side edges of the clasp's shell. It is possible to act on at least one of the wings to cause the rotating mechanism to ... | 07/08/2003 |
| 6536081 | Novelty balancing apparatus The present invention, also known as the equalizer, is a novelty device offering a challenging and entertaining environment when played. This particular novelty toy is designed and configured for use by a singular person. This novelty device comprises a s... | 03/25/2003 |
| 6421888 | Static line snap A static line snap comprising an elongated body including a handle portion and an opposing C shaped portion for attachment to an anchor. The attachment portion includes a cavity with a load end and a lock end, and opposing arms defining a slot. A keeper w... | 07/23/2002 |
| 6363589 | Rescue hook with safety locking mechanism This invention relates to a rescue hook assembly that utilizes a spring-loaded gate across the opening into the hook and has an improved safety locking mechanism to prevent accidental opening of the gate. The locking mechanism works independently from the... | 04/02/2002 |
| 6347693 | Article-holding hook of luggage An article-holding device is connected to the shell of a piece of luggage to facilitate the carrying of an article along with the luggage. The device is formed of a base plate, a hooked plate, and a fastening piece. The base plate is provided with two pro... | 02/19/2002 |
| 6161264 | Safety hook A safety hook that includes a hook portion having a hook body with a shank portion, a nose portion and a mouth between the shank and the nose portion, a gate having a closure and at least one web portion along a plane is mounted on the hook body. The web ... | 12/19/2000 |
| 6027154 | Remotely removable snap hook An improved snap hook with a latch that can be remotely moved to an open position by use of a shaft. The shaft is inserted into the snap hook at an angle so that it will not interfere with a load depending from the snap hook. When the shaft is inserted in... | 02/22/2000 |
| 5915631 | Purse anti-theft device A security device for preventing the theft of a purse or other item from a shopping cart. The device includes a flexible strap having opposed, first and second ends. A snap hook is secured to the first end of the strap for attachment to a purse. A ring is... | 06/29/1999 |
| 5864929 | Snap ring A snap ring includes a body made of iron or steel, which has a fixing ring on its head in a semicircular or triangular shape and a rotatably and laterally joined rope guiding pulley on its inner lower portion. The snap ring further includes a link bar hin... | 02/02/1999 |
| 5842673 | Luggage hook strap A removably attachable hook strap for holding auxiliary luggage which comprises a strap having two ends, one end comprising a means for removably attaching to a main piece of luggage, a rigid hook having a distal and a proximal end, the proximal end being... | 12/01/1998 |
| 5832571 | Joint member for use in accessory A joint member for use in an accessory comprises a linking section 11 and a receiving link section 12 being linked to this linking section 11, wherein the linking section 11 linked to a receiving link section 12 comprises a body 13, a C-shaped hooking por... | 11/10/1998 |
| 5694668 | Wall form hook assembly A double locking snap hook is provided with an extended hook shank and return portion to form a lengthened hook portion for use in conjunction with the assembly and disassembly of wall forms. A slot is provided in the hook shank through which may be inser... | 12/09/1997 |
| 5634246 | Snap swivel hook assembly incorporating ball swivel and recessed hook latch release mechanism A snap swivel hook assembly includes a hook subassembly having a hook body nd an elongated stem portion extending therefrom, and a swivel subassembly having a swivel collar and swivel ball seated thereon and being coupled with the elongated connector stem ... | 06/03/1997 |
| 5579564 | Locking snap-hook The present invention features a user-friendly locking snap-hook having an inwardly acting release mechanism that requires the simultaneous depression of interacting grips. Each of the gripping surfaces of these grips is usually flush or slightly recessed... | 12/03/1996 |
| 5577787 | Safety hook and method A safety hook, that includes a hook with a hook end and a latch member with a first end that is pivotably connected to the hook and a second free end. The latch member is pivotable about the first end between a first position where the second end is locat... | 11/26/1996 |
| 5463798 | Self-locking carabiner A carabiner includes a C-shaped, load-bearing hook member and a closing member mounted at an end of the hook member. The closing member can be pivoted in the plane of the hook member and is held in a closing position by the force of a spring. In the closi... | 11/07/1995 |
| 5384943 | Snap-hook with self-locking roller A snap-hook comprises a roller rotatably mounted in a first curved area of a body and cooperating with a finger to prevent opening of the finger in all angular positions of the roller except for an unlocking position in which it enables opening of the fin... | 01/31/1995 |
| 5361464 | Double action snap hook A double action closure mechanism operable with the thumb and forefinger of one hand, comprises a rigid body, such as a forged hook, having a first end, a second end forming a curved nose, and a shank extending between the ends, the shank defining a front... | 11/08/1994 |
| 5257441 | Triple locking snap hook A safety snap hook having a "J" shaped shank at one end and a hook at the other end in which there is a spring biased latch having one end pivotally mounted on said shank, and further including a pivoting detent mounted on the shank so as to be selectivel... | 11/02/1993 |
| 5187844 | Self-locking snap-hook A self-locking snap-hook is disclosed which is so shaped that the tractive load transmitted by a first traction element is applied to a first tractive force application end formed by the snap-hook body, and the tractive load transmitted by the second trac... | 02/23/1993 |
| 5020843 | Crane hook latch with sliding lock bar A gate latch mounted on a hook shank and spanning the mouth of the hook from its shank to its tip includes a sliding lock bar which can be selectively linearly positioned in closed condition retention slots to prevent opening of the gate latch or in open ... | 06/04/1991 |
| 4977647 | Double locking snap hook A double locking snap hook comprising a shank, a spring biased latch member and a spring biased locking means, the latch member and locking means being biased by two separate screens. One end of the shank defines a hook portion, and the latch member is bi... | 12/18/1990 |
| 4948190 | Locking flapper type latch for crane hook A flapper type gate latch for a crane hook includes a hand operated interlocking prevent member which in one mode can be immovably retained closing the mouth of the hook, and in another mode can be immovably retained permitting the free movement of the ga... | 08/14/1990 |
| 4621851 | Safety hook A safety-hook construction comprises a hook-shaped body having spaced first and second legs which cooperate to define a mouth on the body, a closure member pivotally mounted on the body and a locking member pivotally mounted on the closure member. The saf... | 11/11/1986 |
