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Clackamas, OR, United States of America

David A Stoudt

Average Co-Inventor Count = 2.00

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 = 18

David A StoudtDennis L Marcotte (2 patents)David A StoudtDavid A Stoudt (2 patents)Dennis L MarcotteDennis L Marcotte (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Custom Stamping & Manufacturing Co. (1 from 2 patents)

2. Custom Stamping Mfg. Co. (1 from 2 patents)


2 patents:

1. 6626410 - Portable highway sign stand

2. 6315251 - Portable sign stand

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1/10/2026
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