Growing community of inventors

Saint Paul, MN, United States of America

John A Kallevig

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 = 14

John A KallevigJames L Kennedy (1 patent)John A KallevigJohn A Kallevig (1 patent)James L KennedyJames L Kennedy (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. 501 Alliant Techsytems Inc. (1 from 1 patent)


1 patent:

1. 5090323 - Two-piece ammunition propellant containment bag

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12/21/2025
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