Growing community of inventors

Bedford, NH, United States of America

Ray F Chadwick

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 = 59

Ray F ChadwickDavid J Luneau (4 patents)Ray F ChadwickRay F Chadwick (4 patents)David J LuneauDavid J Luneau (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Classco Inc. (3 from 6 patents)

2. Other (1 from 832,880 patents)


4 patents:

1. 8005195 - Telephone network messaging

2. 7602890 - Telephone network messaging

3. 7418087 - Telephone network messaging

4. 7194077 - System and method for acquiring information relating to geographic location

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1/2/2026
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