Growing community of inventors

Carthage, MO, United States of America

David S Haffner

Average Co-Inventor Count = 5.00

ph-index = 3

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 = 17

David S HaffnerDarrell A Richmond (5 patents)David S HaffnerThomas W Wells (5 patents)David S HaffnerJohn E Hull (5 patents)David S HaffnerSteven M Montague (4 patents)David S HaffnerSteven M Mongatue (1 patent)David S HaffnerDavid S Haffner (5 patents)Darrell A RichmondDarrell A Richmond (53 patents)Thomas W WellsThomas W Wells (16 patents)John E HullJohn E Hull (13 patents)Steven M MontagueSteven M Montague (5 patents)Steven M MongatueSteven M Mongatue (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. L&p Property Management Company (5 from 954 patents)


5 patents:

1. 9044102 - Spring core having border wire with generally rectangular cross-section

2. 8769748 - Spring core having border wire with generally rectangular cross-section

3. 8490232 - Spring core having border wire with generally rectangular cross-section

4. 8332974 - Bedding foundation having border wire with generally rectangular cross-section

5. 8327475 - Bedding foundation having nestably stackable spring assembly welded to border wire with generally rectangular cross-section

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as of
1/9/2026
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