Growing community of inventors

Wilmington, DE, United States of America

David Lan

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 4

David Lan ↔ John D Pearson (2 patents)David Lan ↔ Risi Oshilaja (2 patents)David Lan ↔ John Pearson (1 patent)David LanDavid Lan (2 patents)John D PearsonJohn D Pearson (4 patents)Risi OshilajaRisi Oshilaja (2 patents)John PearsonJohn Pearson (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Congoleum Corporation (2 from 86 patents)


2 patents:

1. 7517422 - Non-vinyl flooring and method for making same

2. 7175904 - Non-vinyl flooring and method for making same

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as of
12/12/2025
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