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 |
| 7281403 | Production device, in particular a folding press and a method for operating a production device The invention relates to a production unit (1), in particular a bending press, and a method of operating the latter in order to shape workpieces of sheet metal between two press beams (15, 16) equipped with bending tools (36, 37) and displaceabl... | 10/16/2007 |
| 7216522 | Extruding and pipe press A metal extrusion press has a pair of fixed crossheads spaced along a press axis from each other and a plurality of elongated upper and lower members extending axially between and rigidly connected to the crossheads. Each member includes a rod axially tensioned betw... | 05/15/2007 |
| 7124608 | Pressing tool and pressing process for extruding press fittings A pressing tool (13) includes a fluid pump (4), a cylinder element (5) arranged connecting with this and a piston which can be slid forward in the cylinder element (5) by pressure fluid of the fluid pump (4) and reset by a return s... | 10/24/2006 |
| 7114436 | Safety interlock and retraction mechanism for clinching, crimping, and punching presses A safety interlock and retraction mechanism for all types of presses comprising a sensing or activating valve which does not apply full force to a press ram until the ram displaces to the expected work material thickness and a pneumatically operated retraction mecha... | 10/03/2006 |
| 6931899 | Swaging technology A swager for swaging marker bands to a medical catheter, comprises an article input mechanism, the article input mechanism having a first input roller assembly for receiving and conveying an article, a first sensor for detecting a predetermined aspect of the article... | 08/23/2005 |
| 5611228 | Pressing tool A pressing tool for coupling elements includes a forked receiver, a clamping claw which is interchangeably held in the receiver by a connecting pin, and a drive motor for the activation of the clamping claw. The connecting pin can be inserted through hole... | 03/18/1997 |
| 5253498 | Bending brake with multiple selectively operative clamp jaws A bending brake including a horizontal lower clamp jaw, a bending beam mounted for pivotal movement about a horizontal relative to the lower clamp jaw, and an upper jaw carrier mounted for vertical movement into and out of work clamping engagement with th... | 10/19/1993 |
| 4387583 | Bending and forming tool Bending and forming apparatus comprises an anvil adapted for use in a press in conjunction with a die connected to an opposed portion of the press, to form and bend material interposed therebetween as the press closes during its cyclic operation. The anvi... | 06/14/1983 |