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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8109219 | Adjustable threading utensil and structure utilizing shape memory actuation A selectively and reversibly adjustable utensil, aperture forming structure, and stirrup, and methods of geometrically modifying an eye defined by the utensil, the aperture defined by the structure, and the stirrup, utilizing active material actuation, so as to faci... | 02/07/2012 |
| 7246418 | Felting needle The felting needle according to the invention comprises a working part (12) with two partial sections (15, 16), each of which is preferably embodied with straight edges. The two partial sections are twisted slightly, relative to each other. Each partia... | 07/24/2007 |
| 7082886 | Sewing machine A sewing machine includes a threader including a threading nook for passing a thread through an eye of a needle, and a thread drawer including a thread drawing member wiping the thread extending through the needle eye downward, the thread drawing member also drawing... | 08/01/2006 |
| 6952999 | Sewing machine needle A sewing machine needle capable of preventing stitch skipping and fabric yarn breakage, irrespective of high-speed and multifunction sewing machines and diversified materials being used. Over a predetermined length from an edge, closer to a needle point, of a needle... | 10/11/2005 |
| 6941881 | Sewing machine A sewing machine includes a threader including a threading hook for passing a thread through an eye of a needle, and a thread drawer including a thread drawing member wiping the thread extending through the needle eye downward, the thread drawing member also drawing... | 09/13/2005 |
| 5735299 | Quick release line inserter A quick-release line inserter having an inserter shaft (1) with a line slot (2) for containing line (3) positioned on an outside perimeter of an inserter shaft that is sized and shaped for the shaft and the line to enter a space or aperture to be threaded... | 04/07/1998 |
| 5642679 | Machine for producing a reinforcement for a composite component A machine for producing a reinforcement for a composite component. The machine includes a stand with a subframe having uprights with slideways for mounting a transverse bar on which is mounted a movable carriage. The carriage has a first movable arm exten... | 07/01/1997 |
| 5515798 | Stitching head including needle guide for producing a reinforcement in a composite component The present invention relates to a stitching head, which can be used in a machine for producing a reinforcement in the form of a sheet for a composite component formed by said reinforcement embedded in a cured matrix, said reinforcement comprising superpo... | 05/14/1996 |
| 5148759 | Threading a hooked wire needle in a tie sewing machine An apparatus for threading a needle used in a sewing machine that forms a longitudinal seam in a tie. The needle has an open hook and a shank adjacent its pointed end. A thread gripper movable about two mutually perpendicular axes grips and loops the thre... | 09/22/1992 |
| 4974758 | Needle for a machine for sewing the longitudinal seam of a necktie A needle for forming the longitudinal stitching seam of a necktie has a needle point to which a wire is attached, the wire being capable of being rolled up on the needle spool of the necktie sewing machine. To reduce the complexity of the device required ... | 12/04/1990 |
| 4546712 | Sewing machine having the needle holder magazine with automatic coupling and decoupling of thread containing needles and needle holders A thread changing mechanism for sewing machines includes a magazine in which a plurality of needle holders is received, to be positively coupled to the sewing machine needle bar by a vertical motion of the magazine. Upon effecting a coupling, the magazine... | 10/15/1985 |
| 4539923 | Self-threading needle A self-threading needle has a threading slot entering into the upper portion of the needle eye at approximately two thirds from the bottom of the eye, and has a point offset relative to the axis of elongation of the needle toward the same side of the need... | 09/10/1985 |
| 4385575 | Easy-threading sewing needles and method of making such needles Easy-threading sewing needles, in two embodiments, for hand needles and sewing machine needles are disclosed, as well as a method for making the easy-threading structure. The needles have eyes defined by sidewalls, one of which is slit along a plane which... | 05/31/1983 |
| 4165699 | Presser foot for sewing machine A presser foot for a sewing machine includes a shank detachably connected to a sewing machine presser foot bar. The shank has a transverse slot formed at the bottom thereof and a lug provided with a slit extending rearwardly from the back thereof. A lever... | 08/28/1979 |
