Growing community of inventors

Portland, OR, United States of America

Samuel Marcus Ach

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 349

Samuel Marcus Ach ↔ Doug Golenz (4 patents)Samuel Marcus AchSamuel Marcus Ach (4 patents)Doug GolenzDoug Golenz (12 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Rom Technologies, Inc. (4 from 113 patents)


4 patents:

1. D948639 - Rehabilitation device

2. D940797 - Rehabilitation device

3. D939644 - Rehabilitation device

4. D907143 - Rehabilitation device

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as of
12/6/2025
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