For the Inventor, By the Inventor

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Chicago, IL, United States of America

Hoffman & Klemperer

USPTO Granted Patents = 1

Forward Citations = 26

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4 inventors (with patents filed for the assignee):

David J Zimberoff (1 out of 6 patents)

James Allen (1 out of 1 patent)

Peter L Weinstein (1 out of 1 patent)

4. Jason M Landborg (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 5651727 - Grout removing tool and adapter which employs a water delivery system (1997-07-29),

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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#1,437 in Chicago, IL

#6,109 in Illinois

#134,345 in US

Chicago, IL, United States of America

Hoffman & Klemperer

Forward Citations = 26

4 inventors:

David J Zimberoff (1 out of 6 patents)

James Allen (1 out of 1 patent)

Peter L Weinstein (1 out of 1 patent)

4. Jason M Landborg (1 out of 1 patent)

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