Growing community of inventors

Staten Island, NY, United States of America

David M Greenspan

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 14

David M GreenspanElizabeth Vakil (3 patents)David M GreenspanRandi Schochet (3 patents)David M GreenspanMara K Chomsky (3 patents)David M GreenspanDavid M Greenspan (3 patents)Elizabeth VakilElizabeth Vakil (7 patents)Randi SchochetRandi Schochet (4 patents)Mara K ChomskyMara K Chomsky (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. American Express Travel Related Services Company, Inc. (3 from 1,455 patents)


3 patents:

1. 9715700 - Marketing campaign application for multiple electronic distribution channels

2. 9514483 - Marketing campaign application for multiple electronic distribution channels

3. 9514484 - Marketing campaign application for multiple electronic distribution channels

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as of
1/23/2026
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