For the Inventor, By the Inventor

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Tampa, FL, United States of America

Pullman-holt Corporation

USPTO Granted Patents = 3

Trademarks = 5

Forward Citations = 75

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9 inventors (with patents filed for the assignee):

Jack P Christen (3 out of 4 patents)

Jon Brigner (3 out of 3 patents)

Curt J Schulze (3 out of 5 patents)

4. Michael W Worden (3 out of 3 patents)

5. Donald W Zurwelle (1 out of 58 patents)

6. Philip Jaros (1 out of 8 patents)

7. Jeffrey J Baker (1 out of 1 patent)

8. Robert J Eukovich (1 out of 1 patent)

9. Robert R Schneider (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6363574 - Vacuum cleaner (2002-04-02),

2. 6219880 - Vacuum cleaner (2001-04-24),

3. D422386 - Vacuum cleaner (2000-04-04),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#151 in Tampa, FL

#2,587 in Florida

#71,950 in US

Tampa, FL, United States of America

Pullman-holt Corporation

Forward Citations = 75

9 inventors:

Jack P Christen (3 out of 4 patents)

Jon Brigner (3 out of 3 patents)

Curt J Schulze (3 out of 5 patents)

4. Michael W Worden (3 out of 3 patents)

5. Donald W Zurwelle (1 out of 58 patents)

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