Growing community of inventors

El Dorado Hills, CA, United States of America

Christian E Tammi

Average Co-Inventor Count = 5.11

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 = 37

Christian E TammiMarc J Fagan (4 patents)Christian E TammiDaniel M Saldana (4 patents)Christian E TammiRobert L Fehringer (3 patents)Christian E TammiCharles E Preston (3 patents)Christian E TammiJonathan D Emigh (2 patents)Christian E TammiSteve M Johnson (2 patents)Christian E TammiChris J Jones (2 patents)Christian E TammiChristian E Tammi (4 patents)Marc J FaganMarc J Fagan (10 patents)Daniel M SaldanaDaniel M Saldana (7 patents)Robert L FehringerRobert L Fehringer (8 patents)Charles E PrestonCharles E Preston (7 patents)Jonathan D EmighJonathan D Emigh (25 patents)Steve M JohnsonSteve M Johnson (15 patents)Chris J JonesChris J Jones (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Billing Services, Inc. (2 from 8 patents)

2. Other (1 from 832,680 patents)

3. United States Computer Services (1 from 3 patents)


4 patents:

1. 6209860 - Billing statement system

2. 5829953 - Billing statement system

3. 5816773 - Collator apparatus

4. 5726897 - Mail assembly system and method

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as of
12/7/2025
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