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 |
| 7413364 | Fasteners for albums A releasable fastener for an album to permit insertion and removal of pages between the covers. The fastener has a pair of strap anchors each attached to one of the two covers and a strap passing between the anchors via aligned apertures in the covers and album page... | 08/19/2008 |
| 7284734 | Hanger A hanger comprising a base having a supported surface adapted to be positioned along a generally vertical surface, and an elongate peg having one end mounted on the base with a portion of the peg projecting from an outer surface of the base opposite its supported su... | 10/23/2007 |
| 7234886 | Fastening arrangement for detachably interconnecting punched documents The present invention provides improvements in paper fastening to enable a user to remove a desired portion of papers from a fastened stack of papers without having to unnecessarily detach unwanted papers in the stack from the prongs of the fastener. The improved pa... | 06/26/2007 |
| 7125190 | Ring binder assembly device to insure the perfected closure of binder rings The invention provides a ring binder assembly device to insure the perfected closure of loose leaf binder rings. Enclosure of binder rings with the device of the invention will repair and prevent ring misalignment. ... | 10/24/2006 |
| 7120968 | Fastener system and method for binding papers A fastener system for binding paper is disclosed comprising a base having spaced first and second ends. A first prong extends from the first end. A second prong extends from the second end. A first member having a first opening receives the first prong, and a second... | 10/17/2006 |
| 6796738 | Loop-type binder for documents A loop-type binder comprises tongues (4) attached on its back cover for holding document sheets, and these tongues (4) constantly increase in thickness from their base (6) to their tip (9), thus comprising a deflection resistant tip and a... | 09/28/2004 |
| 6655868 | Binding device for holding sheet materials or sleeves for compact discs A binding mechanism (2) is provided for securing compact disc sleeves and other sheet material in a notebook binder and which preferably can be quickly and selectively opened and closed.... | 12/02/2003 |
| 6565277 | Paper fastener having folded and shielded side edges A paper fastener includes a base having two end legs for engaging through sheet materials to be clamped and having two side panels bent relative to the base and two outer flanges folded relative to the side panels and shielded by the side panels. A bar in... | 05/20/2003 |
| 6394685 | Structure of a paper binder A paper binder includes a binding plate formed with two portions which are bent inwardly into a bottom side of the binding plate for obviating sharp edge which could injure a user, a central portion of the binding plate being pressed to form a recessed po... | 05/28/2002 |
| 6361235 | Device for binding together a stack of document sheets A device for binding together a stack of document sheets and optionally for depositing such a bound stack in a file with a filing mechanism, comprising a base plate to be disposed below the document stack, a cover plate to be disposed on the document stac... | 03/26/2002 |
| 6217246 | Two-piece paper fastener having rounded sides A two-piece paper fastener includes a prong base with two prongs extending from two ends of a top surface of the prong base. Each of two sides of the prong base has a first flange folded toward a bottom surface so as to define a rounded side. A compressor... | 04/17/2001 |
| 6168337 | Flattenable loop binder The pliable, readily flattenable loop binder for retaining loose-leaf sheets has a mounting strip with an elongated spine, an adhesive on the back of the spine, and a removable liner over the adhesive. Paired transversely aligned loop-forming elements pro... | 01/02/2001 |
| 6076990 | Binder for holed paper A binder for sheets of paper comprises a bendable cover and a binding system secured centrally of the cover. The binding system has a one piece plastic construction comprising a base portion with first and second bosses formed from and located to either s... | 06/20/2000 |
| 6027275 | Seal for notebook and album rings A seal is provided for notebooks and albums to prevent inadvertent opening of the rings and to prevent pilferage of paper, photo album insert sheets and the like. The seal is a continuous band or overlapped loop of plastic material which is heat-shrunk ov... | 02/22/2000 |
| 5997041 | Book A photo album assembled with the minimum use of machinery. Making use of a special designed multipurpose plastic holder, a stack of paper or a stack of plastic pockets, a plurality of posts and two pieces of special designed cover panels. By using the mul... | 12/07/1999 |
| 5988925 | Stacked paper fastener A stacked paper fastener having a pair of prongs which may be passed through a pair of holes in a top piece and affixed to the top piece to hold the stacked papers together. The fastener is preferably entirely made of plastic with no sharp edges so that i... | 11/23/1999 |
| 5827003 | Ring binder with alignment blade tongues A ring binder having an upper and a lower cover blank joined by a flexible rear blank. The binder has at least two aligning tongues extending from the lower cover blank to the upper cover blank for retaining perforated paper. Each aligning tongue is forme... | 10/27/1998 |
| 5690443 | Adjustable, releasable binding fastener A fastening device has male and female portions, the male portion having a base and a downwardly extending post with two vertical series of horizontal ratchet teeth, one on each side of the post, and two convex lobes extending outwardly in diametrically o... | 11/25/1997 |
| 5593242 | Filing of sheets of paper A filing strip is of a bendable material. The filing strip has a central elongate anchor strip and a prong extending from each end of the strip. Each prong has a tip portion and an intermediate portion. Each tip portion is narrower than its adjacent inter... | 01/14/1997 |
| 5549203 | Container for video game and booklet A container for removably storing an article such as a video game, and for securing sheet material to the container, such as the instruction booklet for the video game, to prevent separation of the booklet from the container. The container has a base and ... | 08/27/1996 |
| 5417506 | Apparatus for removing and viewing selected documents from file folders An apparatus for viewing and removing selected documents retained in file folders having a flat metallic fastening member. An element (40) is formed comprised of a first arm (50), a second arm (52) and a connecting section (54). Each arm is a solid, cylin... | 05/23/1995 |
| 5405209 | Paper binder for folders A paper binder for folders, the binder comprising a U shaped loop (2) to be attached to the folder (1) by a clip (6). The loop is in two parts, one part (4) being rotatable in the clip, and the other part (3) non-rotatable in the clip. The two parts are r... | 04/11/1995 |
| 5364199 | Sheet fastener hinge device A sheet fastener hinge device to removably hinge a second cumulative stack of flexible sheets to a first cumulative stack of flexible sheets. A first elongated panel has a pair of spaced holes or an elongated slot to receive the prongs of a first sheet fa... | 11/15/1994 |
| 5320456 | Ratchet binding device for multiple sheets of paper A binder for multiple sheets of paper employing a simple ratchet mechanism to secure the paper without the need for punching holes in the paper. The binding device includes a base member which is an elongated bar of L-shaped cross section with integral en... | 06/14/1994 |
| 5265968 | File clip A file clip which has a base with two spaced elongate, flexible, serrated members, and a retainer with two spaced apertures through which the members pass. Punched paper sheets are threaded on to the elongate members. Adjacent each aperture the retainer h... | 11/30/1993 |
| 5259683 | Paper binder This invention concerns a paper binder which will enable papers bound therein to be paged in a manner similar to those of a bound book and is made up of a spine member with an adjustable clamping device for holding a bundle of papers against the spine mem... | 11/09/1993 |
| 5253943 | Plastic clipboard having elastic engaging pins A clipboard for holding worksheets is disclosed, which is a plastic rectangular board bent into a largely inverted U-shaped cross-section having a vertical front board, an also vertical backside board that is larger in length than the front board, and a h... | 10/19/1993 |
| 5234232 | Bookbinding apparatus and method of binding sheets A bookbinding apparatus for binding together perforated sheets comprises a first strip, spaced-apart studs extending from the first strip, spaced-apart locking caps extending around each stud, a second strip, spaced-apart first openings extending through ... | 08/10/1993 |
| 5123675 | Clamp lock binding A molded plastic binding for positively securing a plurality of sheets of thin material having apertures along one edge, wherein two binding strips are provided, one with projecting fingers which mesh with the apertures of the thin material and apertures ... | 06/23/1992 |
| 5096323 | Prong type stacked paper fastener A prong-type stacked paper fastener comprises a staple component having perforated prongs and a compressor component having tang means designed in the operative position of the fastener assembly to enter selected ones of the prong perforations in order to... | 03/17/1992 |
| 5080398 | Paper sheets binding system with dual orientation binding posts to resist multiple failure modes A paper sheets binder has a pair of elongated strips, one strip mounting a number of spaced integral hinged pawls and the second strip mounting a corresponding number of spaced integral bifurcated ratcheted posts. The strips are mounted on front and back ... | 01/14/1992 |
| 5018895 | Film stacker clip A film stacker clip arrangement (10) for a stack (100) of sheets of film (101) or flats having aligned apertures (102) wherein the arrangement (10) includes a plurality of clip units (11) having a male member (15) and a female member (12) connected by a f... | 05/28/1991 |
| 5011318 | Paper binding fastener A paper binding fastener for use with a conventional prong type fastener includes a rectangular strip of a deformable material which has elongated tab portions at opposite sides thereof. The rectangular strip has a pair of parallel fold lines which allow ... | 04/30/1991 |
| 5009537 | Booklet binding system This is a booklet binding system which includes an elongated closure unit specifically constructed and arranged to be removably inserted between the two rows of opposed spaced apart loops of a wire loop binding unit, wherein the closure unit defines a pai... | 04/23/1991 |
| 4979841 | Member for sheet binding staple Retainer element for releasably inhibiting movement of a restraining clip along a clinched blade end of a staple used to bind one or more pieces of sheet material. The element is wedge-shaped, inexpensively formed and inserted between the clinched blade e... | 12/25/1990 |
| 4966486 | Binder assembly A binder assembly comprising a binder cover and a binder body is detachably coupled to a file. The binder cover has a protrusion and the binder body has an end protrusion being formed at the outer sides of one end of the binder cover and body. The binder ... | 10/30/1990 |
| 4964746 | Elastic clip with positioning means for positioning of perforations An elastic clip with positioning means for positioning of perforations, including a bottom block with an U-shaped frame bar movably mounted thereon, which U-shaped frame bar is having two positioning rods for positioning of paper documents through two pun... | 10/23/1990 |
| 4940352 | Binding folder A binding folder is provided which includes a foldable plastic cover having a bottom part for anchoring fastening strips which extend through perforations in paper sheets to be held. The top part of the cover forms a counterholder with two pairs of slots ... | 07/10/1990 |
| 4887925 | Prong and tang binding system A prong or tang-type paper sheets binding system includes a cover marginal edge on which or over which the connector base and the prongs or tangs are abutted or bent with respect to the edge. An integral imperforate edge extension is provided which is fol... | 12/19/1989 |
| 4856926 | Sheet binder In a sheet binder (1), which consists of a rear cover (2) and a front cover (3) connected with each other by means of a folded spline strip (4), in the area between the rear cover (2) and the front cover (3), a strap (10) is provided in the area of the fo... | 08/15/1989 |
