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San Diego, CA, United States of America

Keith E Cobbs

This inventor holds 7 USPTO granted patents. Top assignee: Hewlett-Packard Company. Active years: 1990-1997.

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 318(Granted Patents)

Company Filing History:

Hewlett-Packard Company

Years Active: 1990-1997

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5600350 - Multiple inkjet print cartridge alignment by scanning a reference (1997-02-04),

2. 5451990 - Reference pattern for use in aligning multiple inkjet cartridges (1995-09-19),

3. 5448269 - Multiple inkjet cartridge alignment for bidirectional printing by (1995-09-05),

4. 5404020 - Phase plate design for aligning multiple inkjet cartridges by scanning a (1995-04-04),

5. 5250956 - Print cartridge bidirectional alignment in carriage axis (1993-10-05),

6. 5109239 - Inter pen offset determination and compensation in multi-pen ink jet (1992-04-28),

7. 4922270 - Inter pen offset determination and compensation in multi-pen thermal ink (1990-05-01),

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