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Littleton, CO, United States of America

David M Richards

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 = 44

David M RichardsDavid W Baarman (1 patent)David M RichardsDavid M Richards (1 patent)David W BaarmanDavid W Baarman (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Astro, Inc. (1 from 9 patents)


1 patent:

1. 5006849 - Apparatus and method for effecting data compression

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12/18/2025
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