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Boxmeer, Netherlands

Stork Colorproofing B.v.

USPTO Granted Patents = 3

Forward Citations = 6

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5 inventors (with patents filed for the assignee):

Josef Matkan (1 out of 14 patents)

John T Alston (1 out of 1 patent)

Julie M Alston (1 out of 1 patent)

4. Terence M Lawson (1 out of 10 patents)

5. Gregory A Quilliam (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5055365 - Electrostatic proofing of negative color separations (1991-10-08),

2. 5021313 - Image reversal process (1991-06-04),

3. 4820618 - Method of forming a color proof by color electrostatography (1989-04-11),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#17 in Boxmeer

#1,635 in Netherlands

Boxmeer, Netherlands

Stork Colorproofing B.v.

Forward Citations = 6

5 inventors:

Josef Matkan (1 out of 14 patents)

John T Alston (1 out of 1 patent)

Julie M Alston (1 out of 1 patent)

4. Terence M Lawson (1 out of 10 patents)

5. Gregory A Quilliam (1 out of 1 patent)

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