Growing community of inventors

Plano, TX, United States of America

Lawrence R Biggs

Average Co-Inventor Count = 1.50

ph-index = 3

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 = 158

Lawrence R BiggsHarry S Budow (2 patents)Lawrence R BiggsLawrence R Biggs (3 patents)Harry S BudowHarry S Budow (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Spectradyne LLC (2 from 13 patents)

2. Strategic Telecom, Inc. (1 from 1 patent)


3 patents:

1. 5475740 - System for accessing and paying for amenities using a telephone

2. 5333181 - System for accessing amenities through a public telephone network

3. 5323448 - System for accessing amenities through a public telephone network

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as of
12/12/2025
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