Growing community of inventors

Westminster, CO, United States of America

John D Efner

Average Co-Inventor Count = 3.00

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 = 0

John D EfnerMichael Allen Bombulie (1 patent)John D EfnerCharles Cooper (1 patent)John D EfnerKurt J Holland (1 patent)John D EfnerJohn D Efner (1 patent)Michael Allen BombulieMichael Allen Bombulie (2 patents)Charles CooperCharles Cooper (1 patent)Kurt J HollandKurt J Holland (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ball Coporation (1 from 9 patents)


1 patent:

1. 12441099 - Printing apparatus

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12/11/2025
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