U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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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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Examiner: Han, Phillip


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 23 patents; average approval time: 463 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner

Patent No. Patent Title:
4898313 Transport device for transporting objects in the form of strip se...
4895316 Molded sectional reel
4892243 Air-bearing center-guiding apparatus and method
4889269 Web center-guiding apparatus
4886199 Strip drive for advancing materials for processing
4883209 Apparatus for threading the leaders of flexible webs in a process...
4878607 Apparatus for unreeling a cable
4875610 Method of and system for driving magnetic tape
4874121 Web feed tractor belt assembly
4869412 Apparatus for guiding, holding or moving longitudinal elements
4869411 Roll feed apparatus
4869413 Coupling interposed between the rolls of a widener roller for she...
4865242 Chain feeder for slide fastener finishing machines
4865265 Magnetic tape cassette
4863087 Guide apparatus for elongated flexible web
4863086 Device for supplying a machine working on a web of material in st...
4858848 Magnetic tape cassette
4858835 Equipment for the actuation of needles for the realization of ele...
4858809 Conveying of filament bundles over long conveying sections
4856694 Paper shifting apparatus for toilet seats
4856695 Method of and apparatus for feeding slide fastener chain with fly...
4854524 Drag mechanism for a double-bearing fishing reel
4848636 Roll feed apparatus
 
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