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Albany, OR, United States of America

Gary L Siewell

This inventor holds 2 USPTO granted patents. Top assignee: Hewlett-Packard Company. Active years: 1985-1986.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 111(Granted Patents)

Company Filing History:

Hewlett-Packard Company

Years Active: 1985-1986

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4578687 - Ink jet printhead having hydraulically separated orifices (1986-03-25),

2. 4509062 - Ink reservoir with essentially constant negative back pressure (1985-04-02),

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]

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