Growing community of inventors

Lincoln, NE, United States of America

Richard E Keefer

Average Co-Inventor Count = 1.00

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 = 24

Richard E KeeferRichard E Keefer (3 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. Snorkel International, Inc. (1 from 3 patents)


3 patents:

1. 6425459 - Aerial work platform apparatus with anti-tipping supplement

2. 5726360 - Fluid sampling apparatus having a universal base

3. 5546818 - Fluid sampling apparatus having a universal base

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