Growing community of inventors

North Woodstock, CT, United States of America

David F O'Brien

Average Co-Inventor Count = 2.25

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 = 49

David F O'Brien ↔ Victor A Calcerano (2 patents)David F O'Brien ↔ Kenneth W Lonngren (1 patent)David F O'Brien ↔ James Mattiucci (1 patent)David F O'BrienDavid F O'Brien (3 patents)Victor A CalceranoVictor A Calcerano (12 patents)Kenneth W LonngrenKenneth W Lonngren (2 patents)James MattiucciJames Mattiucci (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Duracell Inc. (2 from 219 patents)

2. The Stanley Works (1 from 558 patents)


3 patents:

1. D317408 - Package for tape and the like

2. 4938352 - Battery display package

3. 4896770 - Battery display package

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as of
12/19/2025
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