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: Heyrana, Sr., Paul M.


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 976 patents; average approval time: 593 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5867907 Shaving systems
5396704 End and edge trimming tool
5365665 Razor head with flow passages
5361499 Wall paper trimmer
5361497 Folding knife holder and method for one-handed opening of a foldi...
5361498 Cutting nippers
5359774 Razor head of a wet razor
5359778 Knife with cutting hook
5357680 Finger razor
5355587 Ultrasonic cutter
5355588 Rotary cutting blade assembly for a hand-held cutter
5351401 Apparatus for cutting or shaving
5351896 Fluorescent tube breaking apparatus
5351404 Changeable tip awl
5349753 One-handed knife system
5349751 Pipe cutoff apparatus
5349754 Power saw with oppositely reciprocating saw blades
5347720 Can opener
5347714 Movable blade shaving cartridge
5345680 Shaving aid for wet razor
5345683 Rotary cutter for mowing machine
5345684 Flexible line trimmer having an anti-vibration handle
5343623 Knife assembly for cutting a food product
5343622 Bi-directional razor device
5343621 Shaving apparatus
5341996 Apparatus for separating components of rubber vehicle tires
5339526 Resistance spool for a line trimmer head
5337478 Automatic shaving apparatus
5337966 Method and apparatus for the reduction and classification of soli...
5335418 Pivotal hand tool with flexural pivot joint and method of assembl...
5333381 Wrap cutter
5333383 Razor handle mechanism with convex-concave slidable cartridge sup...
5331743 Tile saw apparatus
5331740 Shaving system
5332163 Motor-driven machine
5331742 End cutters
5329700 Flexible razor unit employing embossed blades
5329702 Electric razor
5327649 Circular saw with dust collector
5327648 Electric hair cutting apparatus
 
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