Growing community of inventors

Minneapolis, MN, United States of America

Joel A Elftmann

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 = 61

Joel A ElftmannRobert S Blackwood (1 patent)Joel A ElftmannJoel A Elftmann (1 patent)Robert S BlackwoodRobert S Blackwood (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fluoroware Systems Corporation (1 from 3 patents)


1 patent:

1. 3990462 - Substrate stripping and cleaning apparatus

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