For the Inventor, By the Inventor

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Parkersburg, WV, United States of America

Sbr Inc.

USPTO Granted Patents = 3

Forward Citations = 51

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5 inventors (with patents filed for the assignee):

William C Paulson (2 out of 2 patents)

Charles D Kownacki (1 out of 28 patents)

Stephen T Mansfield (1 out of 2 patents)

4. Craig J Lawson (1 out of 2 patents)

5. Charline W Crooks (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6749797 - One-piece injection molded window frame and sash (2004-06-15),

2. 4991890 - Retractable bumper bar (1991-02-12),

3. 4991681 - Motor vehicle braking system (1991-02-12),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#5 in Parkersburg, WV

#81 in West Virginia

#71,953 in US

Parkersburg, WV, United States of America

Sbr Inc.

Forward Citations = 51

5 inventors:

William C Paulson (2 out of 2 patents)

Charles D Kownacki (1 out of 28 patents)

Stephen T Mansfield (1 out of 2 patents)

4. Craig J Lawson (1 out of 2 patents)

5. Charline W Crooks (1 out of 1 patent)

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