Growing community of inventors

Glendale, CA, United States of America

John B Colligan

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 = 4

John B ColliganRobert C Eschbach (1 patent)John B ColliganJohn B Colligan (1 patent)Robert C EschbachRobert C Eschbach (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aztec Manufacturing Company (1 from 1 patent)


1 patent:

1. 4004373 - Extrusions for partitions, walls and enclosures

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1/13/2026
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