Growing community of inventors

Noblesville, IN, United States of America

James A Spellman

Average Co-Inventor Count = 3.00

ph-index = 4

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 = 48

James A SpellmanRoss A Gresley (3 patents)James A SpellmanNorman E Goodwin, Jr (2 patents)James A SpellmanDavid A Fulton (1 patent)James A SpellmanRalph H Johnston (1 patent)James A SpellmanJeffrey L Mummert (1 patent)James A SpellmanFrank D Sorg (1 patent)James A SpellmanLee A Finley (1 patent)James A SpellmanJames A Spellman (5 patents)Ross A GresleyRoss A Gresley (7 patents)Norman E Goodwin, JrNorman E Goodwin, Jr (2 patents)David A FultonDavid A Fulton (38 patents)Ralph H JohnstonRalph H Johnston (6 patents)Jeffrey L MummertJeffrey L Mummert (4 patents)Frank D SorgFrank D Sorg (2 patents)Lee A FinleyLee A Finley (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (4 from 30,963 patents)

2. Remy Inc. (1 from 9 patents)


5 patents:

1. 7145259 - Engine starting motor anti-milling device

2. 5307700 - Electric engine starter

3. 5307702 - Engine starter having an internal shield

4. 5295404 - Shift lever mechanism for engine starting apparatus

5. 5252878 - Brush holder assembly

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as of
12/12/2025
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