Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7404685 | Ring binder mechanism spring biased to a locked position when ring members close A ring binder mechanism that retains loose-leaf pages and has ring members that gently close and readily lock together. The mechanism comprises a housing that supports two hinge plates for loose pivoting motion, moving the ring members between an open position and a... | 07/29/2008 |
| 7275886 | Positive lock ring binder mechanism A ring binder mechanism for retaining loose-leaf pages. The mechanism has ring members that positively lock together to prevent unintentional openings. The mechanism includes a housing that supports pivoting motion of hinge plates for bringing the ring members to ei... | 10/02/2007 |
| 7270496 | Ring mechanism for a ring binder A ring mechanism includes a chassis and a hinge blade coupled to the chassis. An actuator coupled to the chassis moves the hinge blade between a first position and a second position. A ring half coupled to the hinge blade is positioned in a closed position when the ... | 09/18/2007 |
| 7223040 | Binder Two first binding members supported rotatably by a base, which will be fixed to a back cover, and two second binding members, which engage with the front ends of the first binding members to form closed loops, are provided. Spaces between the base sections of the fi... | 05/29/2007 |
| 7097378 | Accessory for a writing board, file or the like which is equipped with such an accessory An accessory for a writing board, a file or the like, characterized in that it at least consists of a holder (4) which can be provided to a file or the like (3) whereby this holder (4) works in conjunction with or can work in conjunction with a ... | 08/29/2006 |
| 7063477 | Variable capacity binder A variable capacity binder including an outer cover and a binding mechanism including a plurality of spaced rings, each ring being shaped to be received through a hole of a piece of paper to couple the paper to the binding mechanism. Each ring is non-symmetrical wit... | 06/20/2006 |
| 6916134 | Safety ring binder having sliding actuators A safety ring binder mechanism helps prevent finger pinching by requiring simultaneous opposite movement of sliding actuators at both ends of the mechanism in order to open and close the rings. When the actuators are outermost, dimples on the actuators press the bla... | 07/12/2005 |
| RE38731 | Ring binder A ring binder adapted to be secured to an article by at least one integral rivet, the ring binder comprising a substantially rigid integral upper plate supporting a pair of pivotable lower plates to which a plurality of ring members are mounted, the rivet comprising... | 05/03/2005 |
| 6540260 | Photograph album page, spine and system A photograph album system (10) has a spine (14) with an internal lateral groove (30) at one end and a removable retainer (42) having a plurality of internal retaining fingers (44) within the groove. A plurality of pages (52) are defined by a plurality of ... | 04/01/2003 |
| 6293722 | Binder Mechanism A binder mechanism is disclosed having a first ring assembly and a binding portion. The first ring assembly includes at least one first ring half. At least the first ring assembly or the binding portion are a pivotable half that is pivotable with respect ... | 09/25/2001 |
| 6217247 | Ring binder mechanism There is disclosed a ring binder mechanism (10) including an upper structure (12) supporting two pivotable plates (14) to which three pairs of half-ring members (16) are mounted, in which the plates (14) are pivotable between a first configuration in whic... | 04/17/2001 |
| 6196749 | Loose-leaf binder A binder for releasably retaining loose-leaves. The binder has a front cover that lies flatly beneath its back cover when the binder is open 360 degrees. The rings of the binder can rotate around an edge of the flatly-folded cover to enable loose-leaves t... | 03/06/2001 |
| 6116804 | Binder security lock The rings of a loose leaf ring binder are selectively locked and unlocked by a locking member which travels within a slot on the spine of the ring binder. The leaf springs of the loose leaf ring binder have notches formed below a portion of the slot. Ther... | 09/12/2000 |
| 6045286 | Metal ring binder with auxiliary springs A metal ring binder is improved by adding at least one auxiliary spring for supplementing the spring action of the spine upon the blades to which the rings are attached, so as to increase the closing force of the rings.... | 04/04/2000 |
| 6030139 | Flanged cover with prongs for a ring binder assembly A system for rivetless attachment of a ring binder assembly to a cover wherein an attachment portion including one or more prongs adapted to imbeddingly engage a cover substrate and a surface adapted to mate in facing relation with a surface of the cover ... | 02/29/2000 |
| 5904435 | Locking booster ring binder mechanism A locking booster ring binder mechanism includes a pair of locking levers, each having a tongue which extends through an opening at one end of the leaves of the mechanism. The tongue has a head wider than the opening, so that the head presses up on the le... | 05/18/1999 |
| 5842807 | Ring binder A ring binder adapted to be secured to an article by at least one integral rivet, the ring binder comprising a substantially rigid integral upper plate supporting a pair of pivotable lower plates to which a plurality of ring members are mounted, the rivet... | 12/01/1998 |
| 5816729 | Ring binder with low profile ring metal A ring binder (10) for holding hole punched sheets of paper (P) includes a low profile ring metal (20). A pair of leaves (28, 30) are hingedly connected to each other for relative movement of the leaves to each other. A plurality of binder rings (22, 24, ... | 10/06/1998 |
| 5810500 | Ring binder A ring binder (10) comprises a pair of leaves (28, 30) hingedly connected to each other for relative movement therebetween. A plurality of spaced binder rings (22, 24, 26) are each formed of a pair of ring halves (22a, 22b, 24a, 24b, 26a, 26b). One end (2... | 09/22/1998 |
| 5692848 | Ring binder In this ring binder, a pair of opposing swing base plates 3 are connected together at two locations near the center of their longitudinal swinging edges 3a by means of a joint mechanism 6 through operative engagement between the recessed joint section 61 ... | 12/02/1997 |
| 5378073 | Ring binder carrier rail A carrier rail for a ring binder which is provided with a plurality of ribs along the longitudinal axis of the rail.... | 01/03/1995 |
| 5348412 | Releasable attachment for a ring metal to a ring binder A spring clip for mounting a ring metal to a ring binder wherein the spring clip is attached to a panel of the ring binder such as by a rivet, and the ring metal is snap engaged to the spring clips. The spring clips provide release levers for quickly and ... | 09/20/1994 |
| 5106222 | Embossed cover for ring binder mechanism A punched sheet ring binder with configured ring halves, an arcuate mechanism cover with spaced apart platform surfaces to support the sheet border edges during operation of the binder.... | 04/21/1992 |
| 4919557 | Looseleaf binder with sliding lock mechanism A locking loose-leaf binder mechanism which has a curved housing retaining two hookplates, to which binder rings are attached. A control slide attached to each end of the housing includes one or two cam surfaces to engage the hookplates. In an embodiment ... | 04/24/1990 |
| 4904103 | Loose-leaf binder A binder for releasibly retaining pages as well as covers which include a plurality of mating pairs of semicircular rings whose peripheries essentially are all exposed so that the paper or covers can be extended therefrom essentially 360 degrees therearou... | 02/27/1990 |
| 4813803 | Trigger mechanism for ring binder A loose-leaf sheet binder mechanism with a case, hinge plates, ring halves and trigger lever to operate the hinge plates for opening and closing the ring halves. The case has first lock means on it in the form of a raised or dimpled member and the trigger... | 03/21/1989 |
| 4810125 | Ring mechanism A ring mechanism has a cover rail, and a pair of carrier rails nested in side by side relationship between the side edges of the cover rail. Ring elements are mounted on the carrier rails, and the carrier rails can be moved between open and closed over ce... | 03/07/1989 |
| 4522526 | Ring mechanism for loose leaf binders and method of manufacture therefor Ring mechanism for loose leaf binders, and method of manufacture therefor, which has actuating or booster levers which serve both to open and close the rings. Mating ring segments or portions are affixed at corresponding spaced locations to a pair of meta... | 06/11/1985 |