For the Inventor, By the Inventor

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Chicago, IL, United States of America

Ouixote Corporation

USPTO Granted Patents = 1

Forward Citations = 4

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4 inventors (with patents filed for the assignee):

Philip E Rollhaus (1 out of 6 patents)

Eric Knutsen (1 out of 1 patent)

James Ryan (1 out of 1 patent)

4. Chris DelPlato (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5495527 - Telephone privacy device (1996-02-27),

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#1,434 in Chicago, IL

#6,094 in Illinois

#133,811 in US

Chicago, IL, United States of America

Ouixote Corporation

Forward Citations = 4

4 inventors:

Philip E Rollhaus (1 out of 6 patents)

Eric Knutsen (1 out of 1 patent)

James Ryan (1 out of 1 patent)

4. Chris DelPlato (1 out of 1 patent)

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