Growing community of inventors

Highland Park, IL, United States of America

Warren DuBroff

Average Co-Inventor Count = 1.33

ph-index = 2

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

Warren DuBroffRalph Ettlinger, Jr (1 patent)Warren DuBroffWarren DuBroff (2 patents)Ralph Ettlinger, JrRalph Ettlinger, Jr (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Avant Industries, Inc. (1 from 3 patents)

2. Lathrop Paulson Company (1 from 2 patents)


2 patents:

1. 4230519 - Tape applying apparatus

2. 3980204 - Tray dispenser apparatus

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1/1/2026
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