Growing community of inventors

Doylestown, PA, United States of America

Robert A Vollbrecht

Average Co-Inventor Count = 2.00

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 = 37

Robert A VollbrechtScott P Leuschke (1 patent)Robert A VollbrechtRobert A Vollbrecht (1 patent)Scott P LeuschkeScott P Leuschke (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Douglas Machine Limited Liability Company (1 from 12 patents)


1 patent:

1. 5813540 - Shrink film-encased double-tiered package

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1/9/2026
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