For the Inventor, By the Inventor

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Schaumburg, IL, United States of America

Hendrickson USA, L.L.C.

USPTO Granted Patents = 5

Forward Citations = 0

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17 inventors (with patents filed for the assignee):

Jeffrey R Wittlinger (3 out of 16 patents)

Matthew P Karich (2 out of 12 patents)

Dhawal P Dharaiya (1 out of 12 patents)

4. Andrew J Westnedge (1 out of 17 patents)

5. R Scott Fulton (1 out of 18 patents)

6. Jeff R Zawacki (1 out of 11 patents)

7. Scott Kohler (1 out of 3 patents)

8. Wyatt R Weekley (1 out of 3 patents)

9. David L Schaeffer (1 out of 4 patents)

10. David M Morar, Jr (1 out of 1 patent)

11. Nathan A Nicholas (1 out of 2 patents)

12. Andrew L Bradley (1 out of 2 patents)

13. Jay D White (1 out of 1 patent)

14. Ken Mutzner (1 out of 1 patent)

15. Michael Sheridan (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12691938 - Steering centering/damping mechanism for heavy-duty vehicles (2026-07-28),

2. 12680584 - Semi-permanent shim for heavy-duty vehicle disc brake systems (2026-07-14),

3. 12600217 - Heavy-duty vehicle subframe with battery storage structure (2026-04-14),

4. 12589723 - Shear-to-torque guide pin assembly for heavy-duty vehicles (2026-03-31),

5. 12529404 - Slack adjuster assembly for drum braking systems (2026-01-20),

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USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#36 in Schaumburg, IL

#2,420 in Illinois

#51,545 in US

Schaumburg, IL, United States of America

Hendrickson USA, L.L.C.

Forward Citations = 0

17 inventors:

Jeffrey R Wittlinger (3 out of 16 patents)

Matthew P Karich (2 out of 12 patents)

Dhawal P Dharaiya (1 out of 12 patents)

4. Andrew J Westnedge (1 out of 17 patents)

5. R Scott Fulton (1 out of 18 patents)

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