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 |
| 6609332 | Adjustable plant shade/protection apparatus A adjustable plant shade/protection apparatus for shielding a plant from certain weather conditions such as sunlight and strong storms. The adjustable plant shade/protection apparatus includes a shade support assembly including a base tubular member havin... | 08/26/2003 |
| 6336290 | Lawn and garden edging system A lawn and garden edging system for edging a lawn with interconnected pieces which can be lengthened and shortened. The lawn and garden edging system includes a first strip for inserting into a ground surface and a second strip for inserting into the firs... | 01/08/2002 |
| 4160341 | Garden canopy Disclosed is a garden canopy having a frame for supporting a plurality of parallel spaced elongate panels. The panels are positioned on the frame to provide a light and moisture aperture therebetween. The panels are formed from uniform wall thickness mate... | 07/10/1979 |
| 3932958 | Plant shelter A plurality of posts are mounted upright from a supporting surface and arranged in longitudinally and transversely aligned rows to form a series of adjacent rectangles. A plurality of parallel and substantially uniformly spaced wires extend longitudinally... | 01/20/1976 |