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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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Class 411/23 - Flowable mass


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the means which is reshaped includes
No. of applications: 2
Last issue date: 06/09/2011


Application No.Application TitleIssue Date
20110135419Anchor Bolt Installation System
An anchor bolt installation system comprised of a single-use capsule containing a mono-component anchoring substance for anchoring fastening articles to walls or similar structures. The present invention generally includes an open-ended capsule containing a plurality of... 		06/09/2011
20070212187Anchor and method of operating the same
An anchor engageable in a structure. The anchor includes a sleeve having an outer surface, a first end, a second end, a channel extending circumferentially around the outer surface, defining an axis extending between the first and second ends, and at least partially enc... 		09/13/2007
 
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