Growing community of inventors

Plymouth, MN, United States of America

Douglas W Carr

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 = 69

Douglas W CarrLawrence Peter Head (1 patent)Douglas W CarrDouglas W Carr (1 patent)Lawrence Peter HeadLawrence Peter Head (32 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Federal Cartridge Corporation (1 from 10 patents)


1 patent:

1. 6805057 - Bullet for optimal penetration and expansion

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12/9/2025
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