Growing community of inventors

Marcellus, NY, United States of America

David Tufenkjian

Average Co-Inventor Count = 4.00

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 = 12

David Tufenkjian ↔ Todd B Abernethy (3 patents)David Tufenkjian ↔ Chris R Roberts (3 patents)David Tufenkjian ↔ Richard A Tamburrino (3 patents)David TufenkjianDavid Tufenkjian (3 patents)Todd B AbernethyTodd B Abernethy (44 patents)Chris R RobertsChris R Roberts (39 patents)Richard A TamburrinoRichard A Tamburrino (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Welch Allyn, Inc. (3 from 869 patents)


3 patents:

1. D594126 - Surgical illuminator

2. D583061 - Surgical illuminator

3. D567382 - Surgical illuminator

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idiyas.com
as of
12/5/2025
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