Growing community of inventors

Harrisburg, SD, United States of America

Matthew L Halbersma

Average Co-Inventor Count = 6.00

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 = 2

Matthew L HalbersmaGary E Tagtow (1 patent)Matthew L HalbersmaTracy Lammers (1 patent)Matthew L HalbersmaAllen Rickenbaugh (1 patent)Matthew L HalbersmaMichael Lee Anderson (1 patent)Matthew L HalbersmaTyler Welbig (1 patent)Matthew L HalbersmaMatt Coplan (1 patent)Matthew L HalbersmaEric J Adamson (1 patent)Matthew L HalbersmaMatthew L Halbersma (1 patent)Gary E TagtowGary E Tagtow (28 patents)Tracy LammersTracy Lammers (22 patents)Allen RickenbaughAllen Rickenbaugh (10 patents)Michael Lee AndersonMichael Lee Anderson (1 patent)Tyler WelbigTyler Welbig (1 patent)Matt CoplanMatt Coplan (4 patents)Eric J AdamsonEric J Adamson (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amesbury Group, Inc. (1 from 100 patents)


1 patent:

1. 8438703 - Positionable hinge

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as of
1/9/2026
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