Growing community of inventors

Lombard, IL, United States of America

Bjarne Fredericksen

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 = 34

Bjarne FredericksenRoger J Leyden (1 patent)Bjarne FredericksenMichael A Parent (1 patent)Bjarne FredericksenBjarne Fredericksen (1 patent)Roger J LeydenRoger J Leyden (78 patents)Michael A ParentMichael A Parent (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Se-kure Controls, Inc. (1 from 79 patents)


1 patent:

1. 7187283 - Security system for a portable article

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12/14/2025
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