Growing community of inventors

Lincoln, NE, United States of America

Robert L Haahr

Average Co-Inventor Count = 3.00

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 = 93

Robert L HaahrJohn D Hull (2 patents)Robert L HaahrJames P Masek (2 patents)Robert L HaahrRobert L Haahr (2 patents)John D HullJohn D Hull (9 patents)James P MasekJames P Masek (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Isco, Inc. (2 from 123 patents)


2 patents:

1. 5996427 - Liquid sample storage device

2. 5789684 - Liquid sample storage device

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as of
12/15/2025
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