Growing community of inventors

Monroe, MI, United States of America

David L Westerdale

Average Co-Inventor Count = 1.30

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 73

David L WesterdaleDennis D Schwaiger (1 patent)David L WesterdaleCurt Douglas Campbell (1 patent)David L WesterdaleGraham J Britain (1 patent)David L WesterdaleDavid L Westerdale (5 patents)Dennis D SchwaigerDennis D Schwaiger (10 patents)Curt Douglas CampbellCurt Douglas Campbell (2 patents)Graham J BritainGraham J Britain (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Midway Products Group, Inc. (5 from 15 patents)


5 patents:

1. 6820890 - Vehicle hitch receiver tube reinforcement ring, vehicle hitch including the reinforcement ring

2. 6637796 - Vehicle tailgate hinge and counterbalance assembly

3. 6578234 - Four bar hinge for vehicle rear deck lid

4. 6105208 - Vehicle door check

5. 5584099 - Adjustable gooseneck hinge

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as of
1/9/2026
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