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John G. Wydronek
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Corvallis, OR, US
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last 30 patents
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Patent Grant
Fluid interconnect for ink-jet pen
Patent number
5,815,182
Issue date
Sep 29, 1998
Hewlett-Packard Company
David R. Otis
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Pressure-sensitive accumulator for ink-jet pens
Patent number
5,505,339
Issue date
Apr 9, 1996
Hewlett-Packard Company
Bruce Cowger
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Pressure-sensitive accumulator for ink-jet pens
Patent number
5,409,134
Issue date
Apr 25, 1995
Hewlett-Packard Corporation
Bruce Cowger
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS