Famous Patents
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 |
| 7364235 | Chair with an adjustable backrest A chair includes a positioning unit that is provided in a receiving portion of an armrest and that includes shorter and taller stop portions. A positioning member is retained movably on a rear side of a backrest, and has one end extending into the receiving portion ... | 04/29/2008 |
| 7314248 | Portable workstation A portable workstation apparatus having a collapsible frame, wheels, a seat, and work surface, whereby collapsing the frame and manipulating an articulated work surface attachment, permits the apparatus to be utilized as a hand truck. Also described is an enhanced v... | 01/01/2008 |
| 7004430 | Threat-resistant aircraft tray A detachable tray of the type usually pivotally attached to the seat back of a conventional airliner includes a layer of threat-resistant material for precluding penetration of a projectile from a firearm or sharp edged or sharp pointed weapon and serves in the mann... | 02/28/2006 |
| 6916065 | Rotating patient chair with ear diagnosis and treatment unit The present invention relates to a rotating patient chair mounted with an integrated ear diagnosis and treatment unit that controls the position of a microscope 48 and a monitor 50 rotating around the rotating patient chair 30 at a predetermined... | 07/12/2005 |
| 6102475 | Stool with attached table A device having a table, a stool, and a support structure including footrests, thereby enhancing social environments by the use of varying combinations of the devices, and by providing comfort enhancing features, and specifically by making a seated or sta... | 08/15/2000 |
| 5335377 | Handicap bath chair A bath chair for handicapped users comprises a plurality of individual light weight parts which may be packed as an article of luggage and quickly and easily assembled for use. The chair has a seat frame upon which a cushion is placed, and a bench frame a... | 08/09/1994 |
| 4175786 | Device for transporting children on chair lift seats A transport device for small children which is detachably secured to a chair lift. The transport device includes a seat sized to accommodate a child. A safety bar is pivotally mounted to the sides of the child's seat, and which when placed in a chair lift... | 11/27/1979 |
