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Los Osos, CA, United States of America

David L Martindale

Average Co-Inventor Count = 3.00

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 = 13

David L Martindale ↔ Joseph H Nichols (2 patents)David L Martindale ↔ Randall E Fisher (2 patents)David L MartindaleDavid L Martindale (2 patents)Joseph H NicholsJoseph H Nichols (6 patents)Randall E FisherRandall E Fisher (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cryolab, Inc. (2 from 5 patents)


2 patents:

1. D301916 - Valve

2. D301915 - Valve

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as of
12/17/2025
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