Growing community of inventors

Warren, MI, United States of America

Gerald J Campbell

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 = 11

Gerald J Campbell ↔ Stephen J Fiordellisi (1 patent)Gerald J CampbellGerald J Campbell (1 patent)Stephen J FiordellisiStephen J Fiordellisi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gm Global Technolgoy Operations, Inc. (1 from 30,963 patents)


1 patent:

1. 4253277 - Tape drive mechanism

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12/15/2025
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