Growing community of inventors

Los Altos, CA, United States of America

George Warren Koffer

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 = 33

George Warren KofferDoud Roger Branham (1 patent)George Warren KofferGeorge Warren Koffer (1 patent)Doud Roger BranhamDoud Roger Branham (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Oxford Laboratories Inc. (1 from 10 patents)


1 patent:

1. 4009611 - Hand-held micropipettor with improved pipette tip ejector

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as of
12/19/2025
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