Growing community of inventors

Bainbridge Island, WA, United States of America

David Callahan

Average Co-Inventor Count = 8.00

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 = 0

David CallahanJames O Gilkerson (1 patent)David CallahanJames Kalgren (1 patent)David CallahanAllan Thomas Koshiol (1 patent)David CallahanPar Lindh (1 patent)David CallahanLes Norman Peterson (1 patent)David CallahanPaula Dieterle (1 patent)David CallahanTala L Bynum (1 patent)David CallahanDavid Callahan (1 patent)James O GilkersonJames O Gilkerson (100 patents)James KalgrenJames Kalgren (85 patents)Allan Thomas KoshiolAllan Thomas Koshiol (44 patents)Par LindhPar Lindh (22 patents)Les Norman PetersonLes Norman Peterson (12 patents)Paula DieterlePaula Dieterle (4 patents)Tala L BynumTala L Bynum (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cardiac Pacemakers, Inc. (1 from 4,083 patents)


1 patent:

1. 7966069 - Medical device interface system with automatic rate threshold adjustment

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as of
1/7/2026
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