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 |
| 7174747 | Use of corrugated hose for admix recycling in fibrous glass insulation The present invention relates to a method for improving the thermal performance of fibrous glass insulation in the admix recycling of the insulation, which includes the use of corrugated hose in the recycling process. ... | 02/13/2007 |
| 5527597 | Stretchable flame resistant fabric A stretchable flame resistant fabric (10) formed from a series of flame resistant warp yarns (11) interwoven with a series of filling yarns (12). The filling yarns (12) comprise core yarns (15) formed from an elastic material, wrapped with a series of wra... | 06/18/1996 |