Growing community of inventors

Fullerton, CA, United States of America

David H Trachtman

Average Co-Inventor Count = 2.00

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 = 5

David H TrachtmanKevin F Callsen (2 patents)David H TrachtmanDavid H Trachtman (2 patents)Kevin F CallsenKevin F Callsen (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,880 patents)

2. Polymer Concepts, Inc. (1 from 4 patents)


2 patents:

1. 9120118 - Support structures and methods

2. 8668977 - Support structures and methods

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1/4/2026
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